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What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.
A set of possible data values is called? A set of possible data values is called as domain.
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
sql is relationally complete-justify
what do you mean by consistency in rdbms?
What are the three types of data sources used with ODBC? An ODBC file data source is a file that can be shared between database users. An ODBC system data source is one that is
Question 1: (a) Explain the legal meaning of :- (i) Computer Service Person (ii) Data holding (b) Explain how the law ensures Data protection and Security. Qu
What is view in SQL? How is it defined? Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view. We descri
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
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