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What is an Operand?
The data on which the operation is to be performed is known as an Operand
Views in relational algebra: 1. Basic expression contains either a) A relation in the database. b) A constant relation. 2. General expressions are madde out of sma
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
what is cascading rollback
Distributed Control and Data sharing: The geographical distribution of an organization can be showed in the distribution of the data; if a number of different sites are linked to e
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
data models are being replaced over years. Reasons and why does that happen?
A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
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