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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.
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List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
Eliminate Columns Not Dependent On Key The Employee Relation satisfies - First normal form - As it has no repeating groups. Second normal form - As it do not have multi-a
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
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
Write the syntax of creating an INDEX ? Syntax of Creating an Index: CREATE [BITMAP] [UNIQUE] INDEX ON ( [, ] . . .);
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What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Describe the candidate key functions ? Candidate Key and Alternate Key: In some instances, an entity will have more than one attribute which can serve as a primary key. Any key
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