What is basic syntax of stored procedure in PL SQL?
Syntax: CREATE OR REPLACE PROCEDURE ( .. . ) [ IS | AS ] BEGIN EXCEPTION END; CREATE PROCEDURE instructs the compiler to create new procedure in Oracle.
Is stored procedure a PL SQL?
The PL/SQL stored procedure or simply a procedure is a PL/SQL block which performs one or more specific tasks. It is just like procedures in other programming languages.
What is function in PL SQL explain with syntax and example?
The main difference between procedure and a function is, a function must always return a value, and on the other hand a procedure may or may not return a value. Except this, all the other things of PL/SQL procedure are true for PL/SQL function too. Syntax to create a function: < function_body > END [function_name];
What is storage in PL SQL?
Purpose. The storage_clause lets you specify how Oracle Database should store a database object. Storage parameters affect both how long it takes to access data stored in the database and how efficiently space in the database is used.
What is a syntax for deleting a function in PL SQL?
The syntax to a drop a function in Oracle is: DROP FUNCTION function_name; function_name. The name of the function that you wish to drop.
What is procedure in PL SQL?
A procedure is a group of PL/SQL statements that you can call by name. A call specification (sometimes called call spec) declares a Java method or a third-generation language (3GL) routine so that it can be called from SQL and PL/SQL. The call spec tells Oracle Database which Java method to invoke when a call is made.
What is stored function in PL SQL?
A stored function (also called a user function or user-defined function) is a set of PL/SQL statements you can call by name. Stored functions are very similar to procedures, except that a function returns a value to the environment in which it is called. User functions can be used as part of a SQL expression.