What is rowid and rownum in oracle?

0 Answers  

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which statement is running fastly ie insert or delete?

13 Answers   Oracle,

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Explain oracle’s system global area (sga).

0 Answers  

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Explain an index segment?

0 Answers  

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Explain oracle left join with an example?

0 Answers  

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The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ---------- 1 NULL 7 2 4 NULL NULL 5 NULL 3 NULL NULL

1 Answers   TCS,

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Can Multiple instances be run on Single Machine???

3 Answers  

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how to genarate random numbers in oracle for particular row?

3 Answers  

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Explain what are the advantages of views?

0 Answers  

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how to find count rows in table without count function?

3 Answers   Oracle,

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12 RULES OF RDBMS

1 Answers  

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How to define default values for formal parameters?

0 Answers  

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