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What is meant by data-transfer rate?
The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
how map binary relation one to one
give some example real-life situations where DBMS are most suiitabe
How do you find the final model after iterative analysis? Why is iterative analysis of any of the problem needed? The final model serves as the base for system architectur
I want to fragment existing table using java code... help me..!!
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
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