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Explain several types of constraints that can be specified using CREATE TABLE command. Explain CASCADE and RESTRICT clauses of DROP SCHEMA command? Constraint Description PRIM
SET concept is used in which type of modelling? SET concept is used in Network Model.
Determine the OBJECTIVES of object design After passing through this unit, you should be able to: describe and apply concept of generalisation; understand and appl
What is a shadow copy scheme? It is simple, but efficient, scheme known as the shadow copy schemes. It is based on making copies of the database called shadow copies that singl
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Why a report generator is used ? Report generator is used for print files on paper.
recovey techniques based on deferred update and immediate update
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
how the string works as keyword?
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
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