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What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
define attribute inheritance with example?
need a DBMS system on any data for assignment.
Explain the main advantages of DBMS over File Oriented System ?
give some example real-life situations where DBMS are most suiitabe
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole t
What is the difference between the function module and a normal ABAP/4 subroutine? In contrast to normal subroutines function modules have uniquely exact interface. Declaring da
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