how to retrieve only duplicate values in a table

9 Answers  

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I Defined SP1, Sp2 (sp=StoreProcedures)In Package Specification but I Implemented Sp1, sp2, sp3, sp4, sp5 then What type of Error You will find????

3 Answers   Infosys,

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what are the advantages of primary key over unique+notnull

7 Answers   Consultancy, LGS, Oracle,

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What is the difference between an inner join and an outer join?

0 Answers  

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Write a procedure to return the month and the number of developers joined in each month (cursor )

2 Answers   Tech Mahindra,

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I want to display the employees who have joined in last two months. (It should be executed randomly means If I execute the query in March it should display Jan and Feb joined employees. Same query if i execute in Feb, 2007 it should display dec, 2006 and jan 2007 joined employees.

15 Answers   Wipro,

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Any attempt to navigate programmatically to disabled form in a call_form stack is allowed?

0 Answers  

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Does inner join return duplicate rows?

0 Answers  

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Write a query to genarate target column.Please answer me. Advance Thanks. Src Tgt Q10 Quarter to 2010 Q90 Quarter to 1990 Q80 Quarter to 1980 Q74 Quarter to 1974

5 Answers   Infosys,

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How is pl sql different from sql?

0 Answers  

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Write a sql query to find the names of employees that begin with ‘a’?

0 Answers  

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What is the difference between DELETE and TRUNCATE?

15 Answers   Johns Hopkins University, Tech Mahindra,

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