Explain for loop in PL/SQL with example.

{{**Note: Any other relevant example shall be considered. **}} For Loop :   Th…

Explain group by, order by clause of SQL with example.

Group by:  The GROUP BY STATEMENT is used with aggregate functions (MAX, MIN, S…

Explain exception handling with its two types.

Exception Handling: Exception is nothing but an error. Exception can be raise w…

Explain Alter Command. Give syntax of add and modify options.

Alter Command is use to make necessary changes in existing structure/schema of …

Draw the state diagram of transaction.

Differences between DBMS and RDBMS. | Database Management System

DBMS    RDBMS  Old version of software to handle the   databases.  Latest vers…

Describe state of transaction with neat diagram.

A transaction must be in one of the following states:  1. Active: the initial s…