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Which is another name for weak entity? Child is another name of weak entity.
er diagram on cosmetics.
Suppose an instruction takes 1 nanosecond to execute (on average), a page fault takes 20 microseconds of processor time, and it takes 300 microseconds of disk time to read or write
What are the functions of an accumulator? The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It hol
How to reduce data redundency
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu
What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection
The functions of DBA ?
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