⟩ Explain What does ROLLBACK do?
ROLLBACK retracts any of the changes resulting from the SQL statements in the transaction.
ROLLBACK retracts any of the changes resulting from the SQL statements in the transaction.
What Are Group Functions in Oracle?
How To Use Group Functions in the SELECT Clause using Oracle?
Can Group Functions Be Mixed with Non-group Selection Fields?
How To Divide Query Output into Groups in Oracle?
How To Apply Filtering Criteria at Group Level in Oracle?
How To Count Duplicated Values in a Column in Oracle?
Can Multiple Columns Be Used in GROUP BY in Oracle?
Can Group Functions Be Used in the ORDER BY Clause in Oracle?
How To Join Two Tables in a Single Query using Oracle?
How To Write a Query with an Inner Join in Oracle?