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What is a Function in PL/SQL? A function is a named PL/SQL Block which is similar to a procedure. The major difference between a procedure and a function is, a function must always return a value, but a procedure may or may not return a value. General Syntax to create a function is...
This code includes the term sql%rowcount. The "sql" is the object name of the SQL statement that ran last. The "rowcount" is the attribute of this most recent SQL statement, and contains the number of rows impacted by the statement. The % sign indicates that the rowcount is an attribute...
functionsandstored procedurescan be used in other database systems like Sybase , Microsoft SQL server etc, with some change inSQL syntax. This PL/SQL tutorial will be growing regularly; let us know if any topic related to PL SQL needs to be added or you ...
In PL/SQL, we can pass parameters to procedures and functions in three ways. 1) IN type parameter:These types of parameters are used to send values to stored procedures. 2) OUT type parameter:These types of parameters are used to get values from stored procedures. This is similar to a ...
PL/SQL Tutorial (Examples) - page 4 (go to page 1) CURSORS Cursor is a work area in pl/sql which is used by sql server used to store the result of a query. Each column value is pointed using pointer. You can independently manipulate cursor values. A bit about it's working... sup...
PL/SQL Tutorial (Examples) - page 3 PL/SQL BLOCK The pl/sql block contains the following section:-- ---The DECLARE section. ---The Master BEGIN and END section that contains the EXCEPTION section. The declare section contains declaration of memory variables, constants, cursors etc. The begi...
Summary: in this tutorial, you will learn how to use the PL/SQLCONTINUEorCONTINUE WHENstatement to exit the current loop iteration unconditionally or conditionally. PL/SQL CONTINUE statement# TheCONTINUEstatement allows you to exit the current loop iteration and immediately continue on to the next ...
Before getting started, we highly recommendsetting up an Oracle database in your systemto help you practice and learn PL/SQL effectively. Basic PL/SQL Tutorial We assume that you have the fundamental knowledge of databases and SQL to start our PL/SQL tutorial. If this is not the case, you...
PL/SQL Raise ExceptionsSummary: in this tutorial, you will learn how to use the PL/SQL RAISE statement to raise a user-defined exception, an internally defined exception, and re-raising an exception. To raise an exception explicitly, you use the RAISE statement. The RAISE statement allows you...