check constrait used to the value range in the column.
its allow only certain value.
create table vishal(
id int not null,
lastname varchar(50),
age int,
check(age<=20)
);
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check constrait used to the value range in the column.
its allow only certain value.
create table vishal(
id int not null,
lastname varchar(50),
age int,
check(age<=20)
);
Thanks you for commenting your questions. I will see question and respond you.