What is the unique key in sql?
What is the unique key in sql?
1 answer
by
alf.murazik ,
a year ago
The unique key is a column of a table that is used to identify a column. It defines a column uniquely. No two rows can have the same unique key. It is used as a constraint to make records unique.
15
Related Threads:
What is a composite key in SQL?
What is a foreign key in SQL?
What is the procedure in SQL?
What is a transaction in SQL?
How do you approach character animation? What are some key principles you keep in mind?
How do you build and maintain relationships with key stakeholders, such as affiliates, advertisers, and networks?