When do we create bitmap indexes

2 Answers   CTS,

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What problem one might face while writing log information to a data-base table in pl/sql?

0 Answers  

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wirte a query to remove null? following table are col1 col2 col3 dinesh null null null suresh null null null prakesh i want the output like col1 col2 col3 dinesh suresh prkaesh

6 Answers   TCS,

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What are the main features of cursor?

0 Answers  

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How many types of tables are there?

0 Answers  

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How do you use join?

0 Answers  

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Do we need to create index on primary key?

0 Answers  

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Write a pl/sql script to display the following series of numbers: 99,96,93……9,6,3?

1 Answers  

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a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.

1 Answers   CGI,

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What are the possible values that can be stored in a boolean data field?

0 Answers  

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Write a query to find the employees from EMP table those who have joined in Monday. (there is a column as hiredate which is a date column i.e values are like 03-DEC-81)

5 Answers  

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please explain database architecture..

1 Answers   Infosys,

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