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Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
What is difference between primary index and secondary index? Primary Index a) It is an ordered file whose records are of fixed length along with two fields. b) Only base
WHAT IS DBMS
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
1 NF Normal Form The domain of attribute must add only atomic (simple, indivisible) values First normal form (Minimal Form or 1NF) is a normal form need in database normalizat
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
how to make an e r diagram?
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