In not less than 100 words what's the main difference between Rolap and Molap in ORACLE ?

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consider some table with 4 r 5 columns in that 1 col is DATE type. The data is like that,For each date in that col some 3 fields r there but all the records r having different data. Now i want to display all the columns by performing grouping on the date field ( as SELECTION Operator(*) cannot be used with group function having only one "group by clause". how to do this? can any one help me in finding out the solution plss?

1 Answers  

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What are oracle functions?

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What are the varoius components of physical database structure of oracle database?

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Difference between an implicit & an explicit cursor.?

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Explain an integrity constrains?

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After using set unused can we enable the column again to use? Please give me some answers....

1 Answers   Maveric,

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Without giving condition how to retrieve the unmatched records from table.

1 Answers   TCS,

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waht is the difference between primary key and super key?

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What are the execution control statements in oracle?

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Can we create trigger on view in oracle?

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What is the difference between a hot backup and a cold backup in oracle?

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