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let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
Create an entity relationship diagram, Database Management System
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
i need help for assignment ..
What is a view in SQL? When can views be updated? A view is a virtual table which consists of columns from one or more tables. Through it is same to a table; it is stored in
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
what is the need of a log in dbms
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
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