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Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
Update Operations and Dealing with Constraint Violations There are three basic operations to be executes on relations: Insertion Deletion Update The INSER
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
real life situations where database management system are most suitable
various techniques of hashing?
how to write a in a text and load it on mysql
What is the aim of logical schema ? The main motive of the logical schema is to ensure the portability of procedures and models on various physical schemas at runtime.
To do the division operation R1 ÷ R2, R2 should be a correct subset of R1. In the following example R1 have attributes A and B and R2 have only attribute B so R2 is a correct subse
Describe the algorithm to draw the dependency graph? Ans: Algorithm to draw Precedence Graph is like this: a. For every transaction T i participating in schedule S, make
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
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