With a pivot table, you can create one pool of information and then easily change your focus from one thing to another — an analysis that would be tedious to perform manually.

How to create a calculated column with values from related tables So far, everything needed has been in the same table, but you can add a calculated column that depends on values in another table.

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." ...

How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can ...