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What is a disjoint less constraint?
Ans: It needs that an entity belongs to no much more than one level entity set.
Disjoint less constraint needs that an entity belongs to no more than one level entity set. (the meaning of Disjoint less constraint is that an entity can be a member of at most one of the subclasses of the specialization.)
Define deadlock avoidance. An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the s
composite attribute
Normalize the given relation to 3NF, justifying each step
I need an ERD created for any original database(can be on anything). It needs to be 3NF. I then need all the CREATE STATEMENTS, INSERT STATEMENTS(anything you can think of as long
Give the two reasons for allowing concurrency
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
we need example of 2phase locking
complete assignment on the above title.
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
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