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can you create a database for me in oracle/sql
How external/conceptual mapping and conceptual /internal mapping is performed
composite attribute
Eliminate Repeating Groups The problem is, "Find out the list of employees, who knows DB2". For this problem we require to perform an awkward scan of the list looking for re
notes about update opreation
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece
Explain three main attributes of data.
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