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Database - SQL WITH Clause
 
08:40
Using the With Clause for complex queries in SQL
PIVOT Tutorial - generating dynamic column with PIVOT Interview Question SQL
 
14:14
In this lecture you will learn about PIVOT operator and using it to generate dynamic columns.PIVOT is very use full operator to convert values into columns. PIVOT: •Convert your output from (values)vertical order to horizontal(making columns) one Topic to cover: •PIVOT example •PIVOT syntax •Interview Question •PIVOT on northwind •Dynamic PIVOT query http://www.techsapphire.in/index/pivot_sql_lesson_with_generating_dynamic_columns_with_pivot/0-158
Views: 31531 techsapphire
PL/SQL: Coalesce Function
 
04:36
In this tutorial, you'll learn how to make use of coalesce function in oracle SQL. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 3242 radhikaravikumar
SQL CASE
 
05:44
Jamie King of Neumont University demonstrating CASE.
Views: 32942 Jamie King
SQL tutorial 74: SQL COALESCE Function In oracle Database Manish Sharma
 
04:44
Third tutorial in SQL Null Series. Coalesce Null function with example in oracle Database. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/sql-coalesce Previous Tutorial ► NVL https://youtu.be/aRoTR5Jn6K0 ► NVL2 https://youtu.be/SCwc0HcS1-U ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 28105 Manish Sharma
Transposing data in a report Flip rows to columns in Oracle SQL
 
04:06
In this training video we will learn load data in a report, Flip rows to columns in Oracle SQL
Views: 290 Spod ssppoodd
The SUM(CASE WHEN pattern in SQL to compute valued columns
 
05:52
Here we compute columns to get new and repeat revenue using 2 SUM's which aggregate the binary outcome of a case statement. This is a highly useful pattern in SQL and business analytics.
Views: 4802 Jeffrey James
Scaling Postgres Episode 23 | UUIDs | Write Spikes | Distinct | SQL Standard
 
14:41
Subscribe at https://www.scalingpostgres.com to get notified of new episodes. In this episode of Scaling Postgres, we review articles covering UUIDs, the source of write spikes, uses of distinct and SQL standards support. Links for this episode: http://richardstartin.uk/uuids-and-compressibility/ https://medium.com/cermati-tech/troubleshooting-daily-write-spikes-on-cermatis-postgresql-rds-9016d7a0c2e4 https://www.citusdata.com/blog/2018/07/25/high-performance-distributed-dml/ https://medium.com/statuscode/the-many-faces-of-distinct-in-postgresql-c52490de5954 https://modern-sql.com/slides/PG-stays-ahead-20180718.pdf https://tapoueh.org/blog/2018/07/batch-updates-and-concurrency/ https://info.crunchydata.com/blog/wheres-my-replica-troubleshooting-streaming-replication-synchronization-in-postgresql
Views: 649 Scaling Postgres
Tutorial 44 - IN , OUT & INOUT parameters
 
09:01
Learn about IN , OUT & INOUT parameters in PostgreSQL.
Views: 10003 Programming Guru
Função Oracle DECODE
 
10:20
Acesse o desafio: http://novidades.aprendaplsql.com/15-dias-de-funcoes-oracle Códigos da função Oracle DECODE SELECT * FROM hr.employees; SELECT first_name, salary, DECODE (job_id,'IT_PROG', salary * 1.2, salary * 1.1) as aumento_salarial FROM hr.employees; SELECT first_name, salary, DECODE (job_id,'IT_PROG', salary * 1.2, salary * 1.1) as aumento_salarial FROM hr.employees WHERE employee_id = 100 OR job_id = 'IT_PROG'; SELECT first_name, salary, DECODE (job_id,'IT_PROG', salary * 1.2, 'AD_PRES', salary * 1.3) as aumento_salarial FROM hr.employees WHERE employee_id = 100 OR job_id IN ('IT_PROG', 'AD_VP'); SELECT first_name, salary, DECODE (job_id,'IT_PROG', salary * 1.2, 'AD_PRES', salary * 1.3, salary) as aumento_salarial FROM hr.employees WHERE employee_id = 100 OR job_id IN ('IT_PROG', 'AD_VP'); https://www.youtube.com/playlist?list=PLMaqczuL07LkjrX6Rvx6TdNM-1nbUKG8p
Views: 2206 Aprenda PL/SQL
Oracle sql 12c Decode regular expression
 
03:35
Decode regular expression in Oracle sql 12c
Views: 203 AnimatedWorld
Oracle REPLACE Function
 
03:55
https://www.databasestar.com/oracle-replace/ The Oracle REPLACE function is a string manipulation function that allows you to replace one text string with another. It can be a whole word or sentence, or even a single value. The syntax of the REPLACE function is: REPLACE ( whole_string, string_to_replace, [replacement_string]) To use this function, the parameters are: - whole_string (mandatory): This is the string that will be checked for the characters to be replaced. - string_to_replace (mandatory): This is the string that will be searched for within whole_string. - replacement_string (optional): This is the string that will be used to replace occurrences of string_to_replace. Because the last parameter is optional, if it is not specified, then the Oracle REPLACE function removes all occurrences of string_to_replace. You can replace carriage returns with REPLACE, but you’ll need to use the CHR function. You can replace NULL values in Oracle, but this is best done with another function such as NVL, rather than REPLACE. If you want to replace multiple characters, you can do this using nested REPLACE functions or a REGEXP_REPLACE function. For more information about the Oracle REPLACE function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-replace/
Views: 1266 Database Star
PL/SQL: Mutating Triggers Part-1
 
06:24
In this tutorial, you'll learn... PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 25026 radhikaravikumar
Oracle LEAST Function
 
02:46
https://www.databasestar.com/oracle-greatest/ The Oracle LEAST function is a useful function, but I don’t think it’s very well understood. It returns the least or smallest value in a set of values. You can provide the values, and use numbers or text values. The syntax for the Oracle LEAST function is: LEAST(expr1 [, expr_n]) The expr1 is the first expression to use for your comparison. Expr_n is one or more expressions to use in the comparison, separated by commas. This is optional. So how is LEAST calculated? If the parameters are numeric, the LEAST function finds the smallest number. If the parameters are characters, the function finds the earliest value if they were sorted alphabetically (using their character values). What data type is returned? It depends on the parameters you provide. It could be the same as the parameters you provide, or VARCHAR2 if the parameters are all characters. You can also use the LEAST function with dates. It’s the opposite of the GREATEST function. For more information on the LEAST function, including the SQL used in this video and the examples, read the related post here: https://www.databasestar.com/oracle-greatest/
Views: 173 Database Star
What is View and What is Materialized View and Difference Between Them
 
08:27
Very Common Question in Interviews on PLSQL.
Views: 16965 Useful Tips
SQL: Extract function
 
03:38
In this tutorial, you'll learn how to make use of extract function. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 4481 radhikaravikumar
TO_CHAR(datetime) Function in SQL Query
 
03:59
TO_CHAR (datetime) : TO_CHAR (datetime) converts a datetime datatype to a value of VARCHAR2 datatype in the format specified by the date format. The following is a list of valid parameters when the TO_CHAR function is used to convert a date to a string. These parameters can be used in many combinations. YEAR Year, spelled out YYYY 4-digit year YYY Last 3 digits of year. YY Last 2 digits of year. Y Last 1 digit of year. IYYY 4-digit year based on the ISO standard Q Quarter of year (1, 2, 3, 4; JAN-MAR = 1). MM Month (01-12; JAN = 01). MON Abbreviated name of month. MONTH Name of month, padded with blanks to length of 9 characters. RM Roman numeral month (I-XII; JAN = I). WW Week of year (1-53) where week 1 starts on the first day of the year and continues to the seventh day of the year. W Week of month (1-5) where week 1 starts on the first day of the month and ends on the seventh. IW Week of year (1-52 or 1-53) based on the ISO standard. D Day of week (1-7). DAY Name of day. DD Day of month (1-31). DDD Day of year (1-366). DY Abbreviated name of day. J Julian day; the number of days since January 1, 4712 BC. HH Hour of day (1-12). HH12 Hour of day (1-12). HH24 Hour of day (0-23). MI Minute (0-59). SS Second (0-59). SSSSS Seconds past midnight (0-86399). FF Fractional seconds. Thanks for watching...:)
Views: 10640 WingsOfTechnology
Logical Replication with PostgreSQL 10
 
13:43
A quick start tutorial to demonstrate the native logical replication feature in PostgreSQL 10.
Views: 12096 PostgresCourse.com
Oracle regular expression part 3 replace a substring regexp replace
 
06:00
Oracle SQL PLSQL and Unix Shell Scripting
Views: 3121 Sridhar Raghavan
PL/SQL:NVL/NVL2/Coalesce function
 
05:26
In this tutorial, you'll learn the difference between NVL,NVL2 &Coalesce functions PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 5024 radhikaravikumar
Oracle Tutorial || online training|| Adv Sql | Regular Expressions by basha
 
40:52
DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
Oracle regular expression part 1 regexp like
 
12:26
Oracle SQL PLSQL and Unix Shell Scripting
Views: 11042 Sridhar Raghavan
Modern SQL: A lot has changed since SQL-92 by Markus Winand
 
55:06
As a matter of fact, most textbooks, websites, and even universities teach SQL as it was 25 years ago (SQL-92). In the meantime, SQL evolved into a more modern data processing language that is not limited to relational algebra anymore. Although many databases support more modern SQL for years, hardly any developer knows how the new features can be used to solve common problems. This session is, therefore, not limited to explaining SQL features but also compares the SQL-92 solution to common problems to the more modern solution to make the benefit directly visible. Finally, the session also shows how long these features are supported by various databases so that you immediately know whether the shown solution works in your environment or not.
Views: 2111 Devoxx
PL/SQL tutorial 13: PL/SQL FOR Loop In Oracle Database by Manish Sharma RebellionRider.com
 
06:14
3rd and the last tutorial in Iterative/loop statement in Oracle PL/SQL series explaining concepts of FOR loop with examples by Manish Sharma RebellionRider.com ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/numeric-for-loop-in-pl-sql Previous Tutorial ► While Loop https://youtu.be/IIlc4Sr7kFE ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 58995 Manish Sharma
PHP: Storing/Viewing Images Stored In A database (BLOB Data Type)
 
15:31
A video tutorial showing you how to store images inside a database using the BLOB data type. The showing you how to show that image on a page. http://www.abell12.com http://www.facebook.com/pages/Abell12/265102633605437
Views: 262519 abell12
SQL Magic: Dynamic Pivot, Polymorphic Table Functions and More
 
32:18
In October's session, Chris Saxon covered SQL magic, including the following highlights: - 0:50 - how to find table name for index (sub)partitons from *_ind_(sub)partitions - 2:00 - SQL Magic! the dynamic pivot update; converting rows & columns in a table via an update statement - 8:30 - Polymorphic table functions; the describe function & fetch_rows procedure; PTFs and the optimizer; examples on LiveSQL.oracle.com. AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. Music by bensound.com https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit Music by bensound.com
Views: 451 Oracle Developers
Oracle NULLIF Function
 
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https://www.databasestar.com/oracle-nullif/ The Oracle NULLIF function is used to compare two values and determine if they match or not. If the two values match, NULLIF returns NULL. If they don’t match, the function returns the first value. The syntax of the NULLIF function is: NULLIF (expr1, expr2) These parameters are the two expressions to compare. As mentioned above, this function returns either: - NULL if expr1 and expr2 match - expr1 if expr1 and expr2 don't match Both of these parameters can be numeric, and they both need to be the same data type. The functionality of NULLIF can be written as a CASE statement. However, if a CASE statement is really what you need, then you should use that. NULLIF should only be used if that’s the functionality you require. For more information about the Oracle NULLIF function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-nullif/
Views: 254 Database Star
Importing DATA From XML to SQL table
 
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Here, In this Video you can see how to Import data from XML file to SQL Table in Database.
Views: 19956 Himadri Patel
The CASE Statement (Introduction to Oracle SQL)
 
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Learn what the CASE statement is and how to use it. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 273 Database Star
SQL Tutorial for beginners : What is NULLIF Function in Oracle
 
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What is NULLIF Function in Oracle SQL Tutorial SQL Tutorial for beginners PLSQL Tutorial PLSQL Tutorial for beginners PL/SQL Tutorial PL SQL Tutorial PL SQL Tutorial for beginners PL/SQL Tutorial for beginners Oracle SQL Tutorial
Views: 308 TechLake
Left Outer Join (Introduction to Oracle SQL)
 
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Learn what a left outer join is and how you can use it. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 221 Database Star
How to debug Oracle queries, procedures and functions in Navicat’s debugger? (Mac OS X)
 
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This video shows you how to debug your Oracle code easily, it helps to avoid tedious PL/SQL debugging tasks, saving time and improving the overall quality of applications.
Views: 374 Navicat Gui
SQL 091 String Scalar, TRANSLATE or How can I change a character set?
 
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Explains the String Scalar Function TRANSLATE to convert a string to another character set. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 637 cbtinc
Regular Expressions in oracle part 3/ Arabic
 
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-- we use Regexp to search/ match / replace string --1 Regexp_like --2 Regexp_replace --3 Regexp_instr --4 Regexp_substr --5 Regexp_count --note we can user Regexp with CHAR/Varchar2/clob but not LONG https://docs.oracle.com/cd/B12037_01/server.101/b10759/functions116.htm#SQLRF06303 http://psoug.org/reference/regexp.html
Views: 508 khaled alkhudari
Regular Expressions in oracle part 1/ arabic
 
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Regular Expressions in oracle 1 Regexp_like 2 Regexp_replace 3 Regexp_instr 4 Regexp_substr 5 Regexp_count
Views: 1333 khaled alkhudari
Oracle: примеры с regexp like
 
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Разбираем примеры Oracle regexp_like Статья на моем блоге: http://snakeproject.ru/rubric/article.php?art=oracle_regexp_like ========================= Помощь каналу Яндекс.деньги https://money.yandex.ru/to/410012210709233
Views: 310 Mihail Kozlov
SQL 092 String Scalar, TRIM or How can I remove leading or trailing characters?
 
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Explains the String Scalar Function TRIM to remove leading or trailing characters. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 765 cbtinc
SQL 034 Data Types, Character String Data, LONG VARCHAR
 
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Explains the SQL LONG VARCHAR data type. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 735 cbtinc
SQL Tutorial - Window Functions - Ranking with Group By
 
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Another fantastic SQL Tutorial brought to you by BeardedDev. If you are new to working with Windows Functions check out this video: https://youtu.be/H6OTMoXjNiM If you want to find out more about the Group By clause and working with aggregate functions check out this video: https://youtu.be/TYD6gWP3jBg If you are interested in finding out more about ranking functions available in SQL Server check out this video: https://youtu.be/xL7BtCT7ix4 In this tutorial we explore ranking functions as part of Window Functions using the Group By clause within SQL Server. In this example we go through how to rank customers based on the sum of the orders they have placed with us. The window function example also covers the difference between using Rank and Dense_Rank. SQL SELECT Sales_Cust_Id , SUM(Sales_Total) AS Total FROM dbo.Sales_2 GROUP BY Sales_Cust_Id ORDER BY Total DESC SELECT Sales_Cust_Id , SUM(Sales_Total) AS Total , RANK() OVER(ORDER BY SUM(Sales_Total) DESC) AS rnk , DENSE_RANK() OVER(ORDER BY SUM(Sales_Total) DESC) AS dnse FROM dbo.Sales_2 GROUP BY Sales_Cust_Id ORDER BY rnk
Views: 1668 BeardedDev
Introduccion al lenguaje SQL - Las funciones LPAD, RPAD y TRIM (22)
 
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Seguimos completanto nuestro tutorial de lenguaje SQL. Hoy vemos las funciones LPAD, RPAD y TRIM. Si sos fanatico de las bases de datos Oracle no dejes de registrarte en http://comunidadoraclehispana.ning.com
Views: 1471 Asteriscoo Mas
Two Days Workshop: Oracle PL/SQL
 
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Two Days Workshop: Oracle PL/SQL
Views: 89 MIU
Função Oracle MONTHS BETWEEN
 
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Acesse o desafio: http://novidades.aprendaplsql.com/15-dias-de-funcoes-oracle A função de MONTHS_BETWEEN retorna a diferença de meses entre duas datas. SELECT months_between(TO_DATE('28/12/2017', 'DD/MM/YY'), TO_DATE('03/08/2017', 'DD/MM/YY')) AS MONTHS_BETWEEN FROM dual; SELECT trunc(months_between(TO_DATE('28/12/2017', 'DD/MM/YY'), TO_DATE('03/08/2017', 'DD/MM/YY'))) AS MONTHS_BETWEEN FROM dual; SELECT round(months_between(TO_DATE('28/12/2017', 'DD/MM/YY'), TO_DATE('03/08/2017', 'DD/MM/YY'))) AS MONTHS_BETWEEN FROM dual; https://www.youtube.com/watch?v=PjaBYIwXf8c&list=PLMaqczuL07LkjrX6Rvx6TdNM-1nbUKG8p
Views: 686 Aprenda PL/SQL
Oracle SQL - Regular Expression Support
 
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Поддержка регулярных выражений в Oracle SQL, лекция
Views: 431 Aleksandr Kuzmin
Triggers Oracle 11g Enterprise Edition
 
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Practica de Disparadores en Oracle 11g EE
Views: 772 César Luis Murillo
SQL 073 Numeric Scalar, ABSOLUTE, ABS or What are the positive values?
 
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Explains the Numeric Scalar Function ABSOLUTE or ABS for finding the absolute value of a numeric field or expression. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 197 cbtinc
Working with Rollups and Cubes in SQL
 
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Views: 3042 Imtiaz Ahmad

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