Introduction to SQL Which SQL statement is used to update data in a database? MODIFY UPDATE SAVE SAVE AS MODIFY UPDATE SAVE SAVE AS ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Equijoin Non-Equijoin Self-Join None of these Equijoin Non-Equijoin Self-Join None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? COMMIT TRUNCATE ROLLBACK DELETE COMMIT TRUNCATE ROLLBACK DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: can only be used with two tables. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can only be used with two tables. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return more than 10 rows None of these less than 10 rows exactly 10 rows more than 10 rows None of these less than 10 rows exactly 10 rows ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DIFFERENT UNIQUE DISTINCT DISTINCTIVE DIFFERENT UNIQUE DISTINCT DISTINCTIVE ANSWER DOWNLOAD EXAMIANS APP