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What is an Operand? The data on which the operation is to be performed is known as an Operand
how to operate database in access ?
What are the ways in which signal can be generated A signal might be generated in many ways such as a Signal is result of particular physical condition. Whenever a process writ
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples
Consider the following relations: BRANCH( bno, street, area, city, pcode, Tel_no, Fax_no) STAFF( Sno, Fname, Lname, address, position , salary, bno) Express the subsequent qu
what is binary relationship
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
A View may be defined of as a virtual table, that is, a table that does not really exist in its own right but is instead inferred from one or more underlying base data table. T
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