Although tables in SQL databases typically contain massive amounts of data, they’re not always in a format that can be used by data analysts. The data records in these tables need to be filtered ...

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 ...

Stored procedures can speed up your code by reducing trips to your database -- even if you only have one SQL statement to execute. Here's how to speed up your application (and how to simplify your ...