what are bitmap indexes? How does they work?

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Q) How to Find Max Date from each Group? (Asked in Infosys (INFI)Interview)

4 Answers   Infosys,

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Hi how Can I Add A Foreign key that references a table that has composit primary key ? example i had costumer table that has C_Id and SSN Both as PK and another table has C_Id that must refernece C_Id in Customers i done the usual way and got oracle error message about uniqeness any ideas plz

2 Answers  

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How to use "startup" command to start default instance?

0 Answers  

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I need to get the values of the previous quarter.how to do this?eg: if my cuurent month is may i need to get the datas of the month jan,feb,march.Can it be done in oracle.I tried with date function q but for the month jan its not retriving the previous quarter(oct-dec).how to solve this.plpz anyone help me?

2 Answers   Philips,

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In the oracle version 9.3.0.5.0, what does each number shows?

0 Answers  

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What are different Oracle database objects?

1 Answers  

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What is oracle data type?

0 Answers  

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How do I use unicode codesets with the weblogic jdriver for oracle driver?

0 Answers  

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1. Display all the rows and columns in the CLIENT table. Sort by client name in reverse alphabetical order.

2 Answers   Wipro,

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How to create a table index?

0 Answers  

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How to find 1st, 2nd, 3rd highest using select select statement not using rownum

2 Answers  

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