If a column is an image value type, how you can compare column values? How can you use this column in join clause?

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What is normalization? Explain different levels of normalization?

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

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What is denormalization and when would you go for it?

9 Answers   NBP,

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You have a table with three columns: amount1, amount2, and amount3 in a single row only one of these three columns will have a value and the other two will be null. Write a sql query to retrieve the values from these columns?

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What are the key features of dbms?

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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

0 Answers   Covansys,

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How would you design a database for an online site, which would average a million hits a day?

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Hi my program is accesing data from two db2 databases.what is the bind card for this program to genarate plan? how to specify the two owners and two qualifiers in bind card

0 Answers   TCS,

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How do you implement one-to-one, one-to-many and many-to- many relationships while designing tables?

1 Answers   Flextronics, Hexaware, SQL Star,

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Explain the role of indexing in databases?

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Explain about the relational database?

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What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?

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