Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? DELETE COMMIT TRUNCATE ROLLBACK DELETE COMMIT TRUNCATE ROLLBACK ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? MODIFY TABLE All of these ALTER TABLE CHANGE TABLE MODIFY TABLE All of these ALTER TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ORDER BY can be combined with the SELECT statements. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? JOIN DELETE SELECT INSERT JOIN DELETE SELECT INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: can only be used with two tables. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can always be duplicated by a join. can only be used with two tables. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can always be duplicated by a join. ANSWER DOWNLOAD EXAMIANS APP
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