create table users(aid number primary key, name varchar(20), age number, houseno varchar(5), street varchar(20), city varchar(20), pin number, uname varchar(20) not null unique, password varchar(20) ...
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Event]') AND type in (N'U')) IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object ...