can i use the commands "modify" and Change in DB2 to alter my column datatype and its name in a table?

0 Answers  

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What are the advantages of normalizing a database.

0 Answers  

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Under which circumstance should you create an index on a table?

0 Answers   3i Infotech,

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What is the difference between database and server?

0 Answers  

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Its possible to use auto increment in oracle or not? If no means why?

1 Answers  

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What are the tools used for backup and ticketing?

0 Answers   Alcatel-Lucent,

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Given a table Employee which has columns name and salary, write an SQL query to find the employee with the second highest salary.

0 Answers   Amazon,

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What is a database example?

0 Answers  

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What is the difference between oracle and MS Access?

0 Answers   Alcatel-Lucent,

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how to implement dense rank in rank transformation in Informatica? so that output should be like 1,1,2,3 and not like 1,2,3,4

1 Answers  

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What are different types of data models available? Explain with example?

0 Answers   Accenture,

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First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9

0 Answers   IBM,

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