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 take several seconds; with the ...

Use SQL to quickly create a new table from existing records in Access Your email has been sent SQL lets you use one command to quickly create a new table containing a subset of records from a larger ...

SQL Server 2008 introduces the ability to pass a table data type into stored procedures and functions. The table parameter feature can greatly ease the development process because you no longer need ...

When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present due to a duplication issue. You can use a simple alteration ...