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--Sql Server 2014 Express Edition --Batches are separated by 'go' create table student( student_id int primary key , student_name varchar(30) not null, student_branch varchar(50) unique default 'CSE', ); select * from student; alter table student add student_marks int not null; insert into student values(1, '', 'CSE', 98); insert into student values(2, 'Ravi','' ,99); insert into student values(3, 'Arjun', 'ETC', 96); update student set student_name = 'Vyankatesh' where student_id = 1; select * from student;
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