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What functions does a data dictionary perform?
In a (DBMS)data management system, the principal functions performed by the data dictionary are
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
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
#question.explain diversity and magnitude of organic compounds and general properties?
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Which is a valid SQL type? A valid SQL Should be in CHARACTER it is should be NUMERIC and FLOAT.
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
can you resolve this for me please? Database Management Systems Homework 1 The following relations are given (primary keys are underlined): PLAY-ACTOR(AId, Name, Nationality, Birt
In Database software have only pure security or some dis secured by administrator?
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
Why were functional methods fashionable in early days? These are inspired directly by computer architecture and thus popular among computer scientist in early days. The divisio
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