In Sql Which Of The Following Constraint Can Be Used To Ensure #359
In SQL, which of the following constraint can be used to ensure that all the values in a column are different?
This multiple choice question (MCQ) is related to the book/course gs gs115 Structured Query Language. It can also be found in gs gs115 SQL Constraints - SQL Unique Constraint - Quiz No.1.
In SQL, which of the following constraint can be used to ensure that all the values in a column are different?
PRIMARY KEY
UNIQUE
NOT NULL
CANDIDATE KEY