What is referential integrity ?

3 Answers   BirlaSoft,

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What are the benefits of pl/sql packages?

0 Answers  

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What are the types of triggers ?

26 Answers   Aspire, BirlaSoft, TCS,

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What is a constraint?

0 Answers  

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How does one load ebcdic data? : aql loader

0 Answers  

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Why plvtab is considered as the easiest way to access the pl/sql table?

0 Answers  

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how to include numeric values in sql statements? : Sql dba

0 Answers  

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How do I save the results of sql query in a file?

0 Answers  

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Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

13 Answers   Oracle, TCS,

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Can we call dml statement in function?

0 Answers  

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Is microsoft sql free?

0 Answers  

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What is nvl function?

4 Answers   Cap Gemini,

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