What are triggers in oracle?

0 Answers  

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what is the output of select * from emp where null=null & select * from emp where 1=1

8 Answers   IMS Health, NIIT,

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How to save query output to a local file?

0 Answers  

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How to initialize variables with default values?

0 Answers  

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how to get the second max val for every group in a table

6 Answers   Verizon,

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Can we connect to ORACLE db using Windows Authentication?

0 Answers   MCN Solutions,

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What is flashback in Oracle?

0 Answers   MCN Solutions,

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SELECT * FROM (SELECT TITLE FROM MOVIE ORDER BY RANK DESC) WHERE ROWNUM > 4; when i run the above query .it produces output as NO ROWS SELECTED.why ?plz any one help me

6 Answers   TCS,

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What to do if the startbd.bat failed to start the xe instance?

0 Answers  

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How many types of synonyms in Oracle?

0 Answers   MCN Solutions,

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How to define and use table alias names in oracle?

0 Answers  

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What is an oracle database table?

0 Answers  

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