Ask The Science Latest Questions
If a table contains duplicate rows, will a query display duplicate values by default? How can you eliminate duplicate rows from a query result?
What is a unique constraint? How is it different from a primary key?
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
If a table contains duplicate rows, will a query display duplicate values by default? How can you eliminate duplicate rows from a query result?
What is a unique constraint? How is it different from a primary key?