Explain about encoding technique used in bitmaps indexes, Computer Engineering

Bitmaps commonly use one bitmap for each single distinct value. Number of bitmaps used can be decreased by opting for a dissimilar type of encoding. Space can be optimized but when a query is produced bitmaps have to be accessed.              

 

 

Posted Date: 4/4/2013 3:43:59 AM | Location : United States







Related Discussions:- Explain about encoding technique used in bitmaps indexes, Assignment Help, Ask Question on Explain about encoding technique used in bitmaps indexes, Get Answer, Expert's Help, Explain about encoding technique used in bitmaps indexes Discussions

Write discussion on Explain about encoding technique used in bitmaps indexes
Your posts are moderated
Related Questions
Q. Describe the Limitation of FAT16? DOS designers decided to use clusters with as a minimum four sectors in them (so a cluster size of at least 2KB) for all FAT16 hard disks.

Explain about Computer architecture Computer architecture is the conceptual design and fundamental operational structure of a computer system. It is a blueprint and functional

Eliminating data hazards: Forwarding NOTE: In the following instance, computed values are in bold, whereas Register numbers are not. Forwarding involves adding output

Explain various steps for analysing an algorithm.  The several steps involved in analysis of an algorithm are: 1. For any algorithm, the first step should be to show that it

Q. Explain about Server synchronization? Server synchronization: It updates atom by server process of requesting process. In this method an atom acts as a unique update server.

Parameters are like script variables. They are used to vary input to the server and to imitate real users. Dissimilar sets of data are sent to the server every time the script is r

The COSO Framework consists of six broad classes of control activities. Initial responses should identify and define one of the broad classes (Ex: segregation of duties or indepe

What is "the principle of locality"? It's the nature of the processes that they refer only to the small subset of the total data space of the process. I.e. the process frequ

Design a counter modulo 4 (sequential circuit with two flip-flops and one input U) which work like that: 1. When U=0, the state of the flip-flop does not change. 2. Whe

How does an enumstatement differ from a typedef statement? Typedef statement permits user to define an identifier that would show an exiting data type. The user-defined data