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Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
define lock conversion
The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Where does view definition stored? A view definition is permanently stored as part of the database.
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
Which are the two ways in which entities can participate in a relationship? Total and partial are the two ways in which entities can participate in a relationship
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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