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What is called mirroring?
The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
Explain the term- signal-to-noise ratio A signal-to-noise ratio of 20 dB means that S/N = 100. As log2101 is around 6.658, the Shannon limit is around 19.975 kbps. The Nyquist
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
Explain weak and strong entity type ? Weak and Strong entity type: An entity set which does not have a primary key is referred to as a weak entity set. The existence of a wea
I need help with some assignments
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
What are the advantages of creating a table from existing table?
Explain algorithm of ER To Relational Mapping ? ER-to-Relational Mapping Algorithm: 1) Step 1: Mapping of regular entity types: For each strong entity type E, form a relatio
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
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