Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

but require more powerful and reliable database functions, try these for a start. In Excel, the INDEX function returns an item from a specific position (in a list, table, database). The MATCH ...

As you may know, an index is a database object with its own storage that provides a fast access path into a collection. Indexes exist primarily to enhance performance, so using indexes effectively is ...