Select the correct answerWhat SQL statement is used to add a unique constraint to a column?OptionsPRIMARY KEYUNIQUECHECKCONSTRAINT

Which SQL constraint ensures that all values in a column are unique?OptionsDEFAULTUNIQUEPRIMARY KEYCHECK

Which SQL statement is used to remove a unique constraint from a column?OptionsMODIFY COLUMNDROP CONSTRAINTREMOVE UNIQUEALTER TABLE

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 Constraint in SQL? (amazon)Options: Pick one correct answer from belowPrimary KeyNot NullCheckUnion

Which of the following is NOT a type of SQL constraint? UNIQUEPRIMARY KEYALTERNATE KEYFOREIGN KEY