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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
A buyer for a large department store chain must place orders with an athletic shoe manufacturer six months prior to the time the shoes will be sold in the department stores. In par
A file of employee have 10,000 blocks on a cylinder of a disk with characteristics r=8ms and btt=0.6ms I want to know the cost of read inthe file under following conditions for a q
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
Why is database design important?
what is Storage-Device Hierarchy question
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
what are the reasons having variable length records
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
Create an index for the table Client, field CLIENT_NO of Q ? Command: CREATE INDEX client_client_no ON client(client_no);
what is stracture of dabms
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