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Explain trigger?
Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Triggers could restrict access to exact data, perform logging, or audit data modifications.
Normal 0 false false false EN-US X-NONE X-NONE
PRINCIPLES OF DATABASE 1. State the following terms: a) Database b) Database Management System c) Entity d) Attribute e) Relationship 2. Discuss the Three Level Architecture
The First Normal Form (1NF) Let us first describe 1NF: Definition: A relation (table) is in 1NF if 1. There are no duplicate tuples or rows in the relation. 2.
multiplicity constarin
what is attribute is attribute inheritance in dbms?
Why a report generator is used ? Report generator is used for print files on paper.
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
what is the importance of back up files
Explain the benefit of OOM. Main benefits of object oriented modeling are development of system become fast, quality of the system get improve. It gives freedom of use of alrea
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