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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
various techniques of hashing?
what is the need of a log in dbms
What is data model? Explain object based and record based data models? Ans: A data model is an abstract model in which describes how data is represented and accessed. (i)
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.
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
what is check point in database management system
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
Adding Redundant Associations for Efficient Access The expression redundant association means using "duplicate association for proficient access". While analysis, it is not a
notes about update opreation
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