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What is the used of specifying alias?
Specifying alias: is used to rename column or attribute in a table.
Define Sequence A sequence is a set of integers 1, 2, 3 that are generated in order on demand. Sequences are regularly used in databases because lots of applications require ev
what is er digram given that example of hospital,bank and library er digram.
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
What is NULL? Simply NULL means not in value.
what are the states of transaction?
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
Prepare a gantt chart for the stock control project: Scenario Lucas-TVS is the Leader in Auto Electricals in India today with 50 years experience in desig
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
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