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Related fields in a database are grouped in which form?
Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
Increased parallelism : Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have
what are the limitations of dbms?
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
Database Errors: An error is said to have occurred if the implementation of a command to manipulate the database cannot be successfully finished either due to inconsistent data or
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Task Partitioning, Sequencing and Project Planning The tasks required for the service might be broadly partitioned into: 0. Set up database tables and account file
explain thee diffrent types of data models
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Explain Data Dictionary in short?
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
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