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What is meant by buffer blocks and disk buffer
The blocks residing temporarily in main memory are referred to as buffer blocks.
The area of memory where blocks reside temporarily is known as the disk buffer.
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
How does Oracle act as ODBC and give examples of front end uses with ODBC? ODBC achieve portability at the level of the executable by introducing an extra level of indirection.
entity relationship diagram for online examination system
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
DISADVANTAGES OF RDBMS
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
differences between a classified catalog and a dictionary catalog
wh
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