Define a table in SQL known as Client that is used to store information about the clients. Define CLIENT_NO as the primary key whose first letter must begin with ‘C'. Also ensure that the column ‘NAME' should not permit NULL values.
Column name 	Data type 		Size
CLIENT_NO 	Varchar2		 6
NAME 		Varchar2 		20
ADDRESS1 	Varchar2 		30
ADDRESS2	 Varchar2 		30
CITY 		Varchar2 		15
STATE 		Varchar2 		15
PINCODE 	Number 		6
BAL_DUE 	Number 		10, 2
Ans:
CREATE TABLE CLIENT
( CLIENT_NO VARCHAR2(6) PRIMARY KEY CHECK (CLIENT_NO LIKE
‘C%'),
 NAME VARCHAR2(20) NOT NULL,
 ADDRESS1 VARCHAR2(30),
 ADDRESS2 VARCHAR2(30),
 CITY VARCHAR2(15),
 STATE VARCHAR2(15),
 PINCODE NUMBER(6),
 BAL_DUE NUMBER(10,2))