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Using Literal Character String Example: To print IS A as one string with column name employee SELECT ENAME || ' IS A ' || JOB AS "EMPLOYEE" FROM EMP;
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
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What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
What is it ?
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What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu
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