PL/SQL Interview Questions with Answers

The below lists out the differences between View and Materialized view in Oracle. 1. View acts as an image of a table through which a ...

This is a very important topic for Interviews. So don't skip this! A materialized view, or Snapshot as they were previously known, is a...

There are 3 types of Exceptions : a) Named System Exceptions b) Unnamed System Exceptions c) User-defined Exceptions Two ways to handl...

   A transaction is a set of SQL statements which Oracle treats as a Single Unit. Either all the statements should execute successfully or ...

The MERGE  statement was introduced in Oracle 9i to conditionally insert or update data depending on its presence, a process also known as ...

Associative Arrays Nested tables V-Arrays(Variable sized arrays) An associative array (formerly called PL/SQL table or index-by t...

This is a repeat question in almost every PL/SQL Interview.  Well, both work very differently.  Select * from T1 where x in ( select y ...