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+## PL/SQL (Procedural Language/Structured Query Language)
+
+Is Oracle Corporation's procedural extension for SQL and the Oracle relational 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.