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What is relationship? Give examples
A relationship is an association between several entities.
Example: A depositor relationship associates a customer with every account that he/she has.
difference between internal schema and external schema in DBMS
Attributes and its types explain?
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Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
Explain the main advantages of DBMS over File Oriented System ?
what is the importance of back up files
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
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Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
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