Method 1: Deleting duplicate rows from a table using the “ROW_NUMBER ()” function and JOINS. Execute the following code which is using ROW_NUMBER function and JOIN to remove duplicate rows from the ...

Most relational databases such as Oracle and MS SQL provide some form of built in functions to pivot tables row values into column values and vice versa (See PIVOT/UNPIVOT functions in MS SQL and ...

Replace "new_table" with the name of the table to create, and replace "old_table" with the name of the table to select from. The INTO clause behaves the same as CREATE TABLE in other SQL environments.