Compression technique is basically used to compress the size of table or reduce the storage area. Oracle already gives this feature for the table compression as well as for the index compression. when index is created on particular column of a table then it contain some space, which require some storage or disk space by this technique we can save our disk space because in industry the company have to purchase the disk space according to the size of the their data and pay according to their disk space. To utilize this disk space for useful records data rather than wasting it. In this paper used the data pump utility for the compression of Bitmap index and table. Data pump utility performed for the logical backups in database.in this paper implemented data pump for compression, to release the space and change the index pointing location. It will not release the space even after deletion of records. This is of special interest for the case to compress the bitmap index and table space along with the’S (Data Manipulation Language).
The 21st century has already witnessed remarkable achievements in every area of science and technology. By taking full advantage of new information technologies, the scientific community has an unprecedented opportunity to close the vast 'Knowledge Gap'among all people. While radio has played a major role in the welfare of rural community in the yesteryears, followed by television, it is the internet café that has taken over other communication system in the recent past, even in villages. Now the Internet technology has been developed to such an extend that it offers widespread availability and relative ease of use, both at a most economic and affordable cost.Video conferencing is one such technology which offers effective two-way communication to provide information on agriculture, education, employment, legal assistance etc., for the rural welfare. Thus the ultimate goal of "Reaching the Unreached" is made possible by video conferencing.
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