Can we create more than one index on particular column?

1 Answers  

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1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?

1 Answers   IBM,

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How to retrieve data from an explicit cursor?

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ex. one table is having 1 column with 10 records , then how to display all the values in row wise ?

4 Answers  

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What is meant by recursive hints in oracle?

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HI, Please let me know the syllabus for Oracle OCA and OCP Certification

0 Answers  

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How to select oracle sequence from different schema and How to select oracle sequence from different Databases. Explain with example

1 Answers   Polaris,

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 What are the oracle DML commands possible through an update strategy?

0 Answers   Informatica,

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How can we view last record added to a table?

0 Answers  

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What happens to the current transaction if a ddl statement is executed?

0 Answers  

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What are the components of logical database structure in oracle database?

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i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?

0 Answers   Oracle,

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