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PL/SQL provides the functionality of other procedural programming languages, such as decision making, iteration etc. 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 ...
An example of implementation of triggers in non-relational database can be Sedna, that provides support for triggers based on XQuery. Triggers in Sedna were designed to be analogous to SQL:2003 triggers, but natively base on XML query and update languages (XPath, XQuery and XML update language).
Oracle Forms 3 was the first version to allow PL/SQL to be used within Forms triggers and procedures/SQL Functions could also be used as an undocumented feature. Forms 3 was a character mode application and was primarily used in terminals such as Digital VT220 and PCs running Microsoft DOS.
Tables, triggers, columns, indexes are examples of database objects, [7] which are present in O-PL/SQL, but with the same meaning of the notion of Java objects, specifically an element of a set that has its existence beginning from an instantiation of a class.
Stored Procedure and Trigger Language Microsoft SQL Server: Transact-SQL and various .NET Framework languages MySQL, MariaDB: own stored procedures, closely adhering to SQL/PSM standard NuoDB: SQL or Java: OpenLink Virtuoso: Virtuoso SQL Procedures (VSP); [2] also extensible via Java, C, and other programming languages Oracle: PL/SQL or Java ...
Parallel SQL Execution. First version available for Windows NT. [25] Oracle7 7.0.12 June 1992 PL/SQL stored procedures, Triggers, Distributed 2-phase commit, Shared Cursors, Cost-Based Optimizer Oracle 6.2 6.2.0 Oracle Parallel Server Oracle v6
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SQL PL stands for Structured Query Language Procedural Language and was developed by IBM as a set of commands that extend the use of SQL in the IBM Db2 (DB2 UDB Version 7) database system. [1] It provides procedural programmability in addition to the querying commands of SQL. It is a subset of the SQL Persistent Stored Modules language standard.