case statement in PL/SQL A CASE statement is similar to IF-THEN-ELSIF statement. That selects one...
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What is the package in Oracle PL/SQL?
Package In PL/SQL, a package is a schema object. A package includes procedures, functions. That...
Difference between union and union all?
Union and Union all The only difference between Union and Union All is that Union removes duplicate...
What is a cursor in PL/SQL?
Cursor: Cursor is a memory variable, it take space with in row and column.it also can take matrix...
How to RMAN Backup on Oracle Database?
Backups •Logical-Using Export or Export Data Pump Utilities •Physical –Using O/S copy or RMAN based...
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Top Universities in Canada University of Toronto McMaster University McGill University University...
What is Row or Record?
A record also called a row of data is individual entry that exist in a table. •A record or row in a...
What is field in database?
Every table is broken up into smaller entities called fields. The fields in the customers table...
What is a Table in database?
Table in database The Data in RDBMS is stored in database objects called table.The table is...
What is OTN (Oracle Technology Network)?
OTN is Oracle Technology Network (when you sign up Oracle.Com you will a member of OTN).