Abstract:

As information technology continues to evolve,the amount of information to the explosive rate of increase in the amount of data showing the increasing trend of more and more complex data types,which make it difficult to access.Therefore,it is the primary objective of a database designer to improve the speed of data extraction.This article discusses the database indexing technology,and how to set up an accurate and effective index of database.Specific examples are given to illustrate the co-indexing technology for the database to provide a reference to the database designer.

Key words: database;indexing technology;database query