Home
Oracle PL/SQL Tutorial
Introduction
Query Select
Set
Insert Update Delete
Sequences
Table
Table Joins
View
Index
SQL Data Types
Character String Functions
Aggregate Functions
Date Timestamp Functions
Numerical Math Functions
Conversion Functions
Analytical Functions
Miscellaneous Functions
Regular Expressions Functions
Statistical Functions
Linear Regression Functions
PL SQL Data Types
PL SQL Statements
PL SQL Operators
PL SQL Programming
Cursor
Collections
Function Procedure Packages
Trigger
SQL PLUS Session Environment
System Tables Data Dictionary
System Packages
Object Oriented
XML
Large Objects
Transaction
User Privilege
Updating « Trigger « Oracle PL/SQL Tutorial
Oracle PL/SQL Tutorial
Trigger
Updating
28.17.Updating
28.17.1.
Is updating a certain column
28.17.2.
If updating and new value equals old value