Answer / manoj

select employee_id, count(*) from employees group by
employee_id having count(*) > 1

Answer / avik ganguly

select * from emp a where rowid = (select max(rowid) from
emp where empno = a.empno group by empno having count(*) >1)

What is a self join? Explain it with an example?

16 Answers   TCS,

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Can an extended stored procedure be called from inside a user-defined function?

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8 Answers   CG-VAK, Choice Solutions, College School Exams Tests, IBM, Wipro,

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What is dbms explain in brief?

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Which four data types cannot be used as a return type from a user-defined function?

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What is the maximum length of an extended property?

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In which database can extended stored procedures be added?

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Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in

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The count() function always returns a int value type what should you do if you need to count rows from a query which you know will return a value that is too large for an int value type?

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A) Which two are benefits of Teradata's support for ANSI Standard SQL? (Choose two.) 1.data is distributed automatically 2.queries get optimized to better plans 3.submit queries from other database systems 4.can interface with BI tools B) Which statement is true when comparing the advantages of third normal form to star schema? 1.Star schema tends to have fewer entities. 2.Star schema requires additional data storage. 3.Third normal form tends to have fewer entities. 4.Third normal form requires additional data storage. C)Which two sets of functions does the Parsing Engine (PE) perform? (Select two.) 1.sorting, formatting, and aggregating of the final answer set 2.flow control of the data to and from the participating tables 3.SQL statement interpretation, syntax validation, and semantic evaluation 4.dispatching the step execution sequence to the AMP via the BYNET D) Which two can be achieved with Teradata Active System Management (TASM)? (Choose two.) 1.disable hardware 2.react to hardware failure 3.influence response times 4.collect metadata E) Which three mechanisms can be used to ensure security within the Teradata Database? (Choose three.) 1.views 2.spool limits 3.roles 4.access rights 5.profiles

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What are the 18 schemas?

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what is architecture of your datastage project??? i came across this question many times in interviews in specific what can i answer plz help me

1 Answers   IBM,

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