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Explain the components of Database System in details.
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
What is NULL? Simply NULL means not in value.
what is inverted and multilist structure
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
wh
How many physical thing?
Strict 2PL :Though, this basic 2PL suffers from the trouble that it can result into loss of isolation / atomic property of transaction as theoretically speaking once a lock is rele
#question.what is mapping constraints and types?.
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