Which of the following is not Constraint in SQL? (amazon)Options: Pick one correct answer from belowPrimary KeyNot NullCheckUnion
Question
Which of the following is not Constraint in SQL? (amazon)Options: Pick one correct answer from belowPrimary KeyNot NullCheckUnion
Solution
The correct answer is Union. Union is not a constraint in SQL. It is an operator used to combine the result sets of two or more SELECT statements. On the other hand, Primary Key, Not Null, and Check are all constraints in SQL.
Similar Questions
Which of the following is not Constraint in SQL?Primary KeyNot NullCheckUnion
Which of the following are considered as constraints?Select one or more:a.Checkb.NULLc.NOT NULLd.Unique
ct the correct answerWhat SQL statement is used to add a unique constraint to a column?OptionsUNIQUECHECKPRIMARY KEYCONSTRAINT
Select the correct answerWhich SQL constraint do we use to set some value to a field whose value has not been added explicitly?OptionsNOT NULLUNIQUEDEFAULTCHECK
Which of the following is NOT a type of SQL constraint? UNIQUEPRIMARY KEYALTERNATE KEYFOREIGN KEY
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.