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 ...

As with everything, there are trade-offs when it comes to indexes. That said, this discussion focuses on query optimi­zation by looking at table indexes or the lack thereof. A sign of a good database ...

The three index tables on this page each represent various components of ENR’s two primary indexes. The Materials Price Index is the materials component of both ENR’s cost indexes. The Common Labor ...