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Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
Question : (a) Data mining is one of the best ways to analyse data and using software method, hidden and unexpected patterns and relationships in sets of data can be extracte
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
what is er digram given that example of hospital,bank and library er digram.
Explain the two types of participation constraint. Total: The participation of an entity set E in a relationship set R is said to be total if each entity in E participates i
explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.
Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact
Describe integrity constraints? Integrity Constraints - A database is just as excellent as the information stored in it, and a DBMS must therefore help avoid the entry of inc
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