In this example, Transact-SQL will create a new table with all columns from the rows in "old_table" in which the last name starts with "Ja." Advertisement. Article continues below this ad.

How to Reindex SQL Tables. ... Enter the Oracle "ALTER INDEX" command, using the following code as an example:ALTER INDEX table_index_ix REBUILD PARALLEL; ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...