What is a rank in sql?

0 Answers  

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What is a constraint? Tell me about its various levels.

0 Answers  

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What schema means?

0 Answers  

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i hv 30 rows with date.ex:1month hav 4 weeks i want 1st day of the every week.write the qry for that.example jan has 4 weeks i need 1st dd for evry wk

1 Answers   Aspire,

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How to add Foreign key in a table after the creation of the table?

5 Answers   Satyam,

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Can two tables have same primary key?

0 Answers  

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how to escape special characters in sql statements? : Sql dba

0 Answers  

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Can we use the cursor's to create the collection in PL/SQL?

0 Answers   MCN Solutions,

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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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Does oracle roll back the transaction on an error?

0 Answers  

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What is Overloading of procedures ?

4 Answers   Amdocs,

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How can you create Cursor with parametres ?

3 Answers  

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