Oracle SQL Tutorials Chapter 7 ( Part 2 of 2 )

CREATING TABLE WITH SUB-QUERIES With this method, table is created automatically with the column types that result from a query. While the table is created, data that came from the subquery is automatically transferred to new table. All column names must be given in the subquery. It is a technique that produces fast results. Let’s … Continue reading Oracle SQL Tutorials Chapter 7 ( Part 2 of 2 )