ENG513 Short Notes for Final Term and Mid Term . Aslam u Alaikum dear students. If you are looking for ENG513 Short Notes for Final Term and Mid Term file? Then you are visiting the right website. I provided the perfect solution here according to my efforts. If there is any mistake then please correct it before submitting the VULMS account and before midterm and final term exams preparation .Thanks
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This index information is one example of additional information which DBMS places in the data when storing it on the disk. At the same level storage space utilization if performed so that the data can be stored by consuming minimum space, for this purpose the data compression can be performed, this space optimization is achieved in such a way that the performance of retrieval and storage process
is not compromised.
Another important consideration for the storage of data at the internal level is that the data should be stored in such a way that it is secure and does not involve any security risks. For this purpose different data encryption algorithms may be used. Lines below detail further tidbits of the internal level.
The difference between the internal level and the external level demarcates a boundary between these two layers, now what is that difference, it in fact is based on the access or responsibility of the DBMS for the representation of data. At the internal Level the records are presented in the format that are in match with schema definition of the records, whereas at the physical level the data is not strictly in record format, rather it is in character format.
ENG513 Short Notes for Final Term and Mid Term
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