I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?

2 Answers   Zensar,

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how to convert .db (extention) database file into .dmp (extention ) for oracle database ?

0 Answers   EDC,

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Difference between join and a subquery?

8 Answers   Base Automation, NMDC,

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What is oracle used for?

0 Answers  

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How to convert character types to numeric types?

0 Answers  

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Table E: Name dept month sal 1 A JAN 800 2 B APR 1000 3 A JAN 300 4 A JAN 600 5 C JUN 400 1) SELECT HIGHEST SAL PAID DEPT IN JAN MONTH? 2) WRITE QUERY GET MAX SAL DEPT NO?

6 Answers   IBM,

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What is parameterized cursor in oracle?

0 Answers  

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Select the Nth lowest value from a table?

4 Answers  

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How can we Update a table with out using UPDATE command?

1 Answers  

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i want department wise maxmum salary and empolyee name

9 Answers  

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What do the 9i dbms_standard.sql_txt() and dbms_standard.sql_text() procedures do?

0 Answers  

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What are the limitations of check constraint?

0 Answers  

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