difference between table level constraint and column level and advantages of table level constraint

4 Answers   Doyensys,

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how to achieve this problem?i am having table with two colums like empno,gender. in gender column, i am having records male,female like that .my final output will be male female 5 6

4 Answers   Hexaware,

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Which one is the Best approach to put code, among Triggers and Procedures? Explain?

1 Answers   Sierra Atlantica,

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What is the difference between the conventional and direct path loader? : aql loader

0 Answers  

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How do I add a primary key to a table?

0 Answers  

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Is sql free?

0 Answers  

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i have some prob lem to tell me about my self in interview first round ...

0 Answers  

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What is the difference between sum and count in sql?

0 Answers  

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Is t sql a programming language?

0 Answers  

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What problem one might face while writing log information to a data-base table in pl/sql?

0 Answers  

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What are the possible values that can be stored in a boolean data field?

0 Answers  

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What is set serveroutput on in pl sql?

0 Answers  

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