Chapter 7, Problem 8P

Program Plan Intro

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

ALTER TABLE Statement:

“ALTER TALE” statement comes under Data Definition Language. It is used to modify column, add constraints, add column(s), drop column, rename column name and table name, drop constraints, and so on.

Syntax:

Syntax to drop constraint is as follows:

ALTER TABLE table_Name DROP CONSTRAINT constraintName;