Which Of The Following Statement Can Be Used To Apply The #361
Which of the following statement can be used to apply the UNIQUE constraint to a column of an existing table?
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.
Which of the following statement can be used to apply the UNIQUE constraint to a column of an existing table?
ALTER TABLE table_name ADD (column_name) UNIQUE;ALTER TABLE table_name UNIQUE (column_name);ALTER TABLE table_name ADD UNIQUE (column_name);ALTER TABLE table_name ADD UNIQUE;
