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Differentiate between strict two-phase and rigorous two-phase with conversion protocol Ans: Strict two-phase locking holds all its exclusive that is write locks until commit t
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Explain the Check Clause The CHECK clause is employed to at the end of a CREATE TABLE statement specify table constraints. This is known as table-based constraint because it ap
Benefits and limitations
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
give some example real-life situations where DBMS are most suiitabe
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