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What is vertical fragmentation?
Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
random file sharing
What is the initial step for object-oriented designing The initial step for object-oriented designing is object modeling. Before we go into deep about object modeling first of
Let us now talk about the relational operations: SELECT The select operation is used to select few specific record from the database based on different criteria, This is a un
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
Give some encryption techniques? A) DES B) AES C) Public key encryption
1 - Serial RS232 comm port comunication 2 - NanoHTTPD serving a few processed pages 3 - System tray application to indicate status and access configuration forms 4 - SQLit
normal forms
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
What are the factors to be taken into account when choosing a RAID level? A) Monetary cost of extra disk storage requirements. B) Performance requirements in terms of number
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