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Grant: It is used to give database access permission to users. It is of two types
(1) system level permission
(2) Object level permission.
Describe Participation Constraints? Participation Constraints - The participation constraint exacts whether the existence of an entity depends on its being related to another
We want have a website; we need to test the security of our website. You need to: -Try to bypass our security by simulate a website hacking -Try some hack Techniques like
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
Explain the Strategy of Database Planning ?
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
Define deadlock prevention. Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre
Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
explain participation constraints with examples
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