Which SQL constraint ensures that all values in a column are unique?OptionsPRIMARY KEYCHECKDEFAULTUNIQUE

What SQL statement is used to add a unique constraint to a column?OptionsPRIMARY KEYUNIQUECHECKCONSTRAINT

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

What is the purpose of the SQL CHECK constraint?OptionsEnsures that a column contains unique valuesDefines a condition that must be satisfied for data to be entered into a columnPrevents the deletion of a tableEnsures that a column contains only numeric values

What SQL constraint prevents duplicate values from being stored in a specific column?*1 pointDEFAULTUNIQUEFOREIGN KEYINDEX

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