Category: PL/SQL

PRAGMA EXCEPTION_INIT

Understanding PRAGMA EXCEPTION_INIT In Oracle Database

EXCEPTION_INIT is a compile-time command or pragma used to associate a exception name with an internal error code.EXCEPTION_INIT instructs the…

PRAGMA EXCEPTION_INIT

Understanding FOLLOWS Clause In Oracle Database

Oracle allows more than one trigger to be created for the same timing point, but it has never guaranteed the…

XMLType

Understanding XMLType In Oracle Database.

XMLType is used to store and manipulate XML data. You can use XMLType to define database columns and PL/SQL variables…

compound trigger

Understanding Compound Trigger In Oracle Database.

In real world, as you create more and more triggers containing more and more business logic, it becomes difficult to…

PRAGMA EXCEPTION_INIT

Understanding RETURNING INTO Clause In Oracle Database.

The RETURNING INTO clause specifies the variables in which to store the values returned by the statement to which the…

PRAGMA EXCEPTION_INIT

Understanding OPEN FOR Statement In Oracle Database.

OPEN FOR statement is used to support multiple-row dynamic queries. OPEN cursor_variable|host_cursor_variable} FOR sql_string USING bind_argument; The bind_argument is always…

PRAGMA EXCEPTION_INIT

Understanding Package Level Caching In Oracle Database.

A package-based cache consists of one or more variables declared at the package level,rather than in any subprogram of the…

PRAGMA EXCEPTION_INIT

Understanding Oracle INSTEAD OF TRIGGER

INSTEAD OF triggers are essentially alternatives to DML triggers. They fire when inserts, updates, and deletes are about to occur;…

PRAGMA EXCEPTION_INIT

Log Sub-Program Parameter Values Using LOG4PL/SQL Framework In Oracle Database 19c

LOG4PLSQL is an open source tool that uses PL/SQL framework to log into PL/SQL code package,function,web application,procedure, trigger and various…

index_compression

Understanding Difference Between Table Function & PIPELINED Table Function In Oracle Database 19c

TABLE FUNCTION A table function is a function that can be called from within the FROM clause of a query,as…