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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
Question 1 Explain the concept of database recovery management. Explain the different levels of backup used for recovering data Question 2 What are the different types of par
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
What does the cardinality ratio specify? Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinaliti
what is the need of a log in dbms
What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
You will be analysing a set of financial data of your choice. It is not necessary to collect any primary data of your own, and publicly available secondary data will be sufficient
Un-Normalized Form (UNF) If a table having non-atomic values at every row, it is said to be in UNF. An atomic value is something that cannot be further decomposed. A non-atomic
i need help for assignment ..
what is er digram given that example of hospital,bank and library er digram.
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