International Journal of Computer & Organization Trends(IJCOT)
Databases can store large amounts of data. Each stored entity is a complex structure, called a record. Records are indexed based on the values of certain fields. A techniques for indexing data is provide a method for compressed an index to obtain a compressed index that is easily stored and transmitted. The invention also provides for the decompression of such a compressed index. In this paper the author provides to the different techniques of indexing in database.