CREATE Trigger by Using OLD and NEW Qualifiers
Basically OLD and NEW qualifiers are used for row-level trigger. When a row-level trigger is createsand fires, the PL/SQL run time engine creates and populates two data structures that are …
Create Triggers that are Invoked by DML Operations
What are Triggers? Triggers are similar to stored procedures. A trigger is a PL/SQL block that is stored in the database. A trigger is automatically executes by the Oracle database when …
Description of Oracle PL/SQL Language
PL/SQL stands for “Procedural Language extension to SQL”. PL/SQL language are used for relational databases. It’s Oracle Corporation’s standard data access language. PL/SQL works as a block structure for executable …
