primary key is foreign key for the same table?

2 Answers   Oracle,

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Explain index?

0 Answers  

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If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?

7 Answers   IBM,

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How to connect to a local oracle 10g xe server?

0 Answers  

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what is the exact diiference between DBMS and RDBMS

4 Answers   Tesco,

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SELECT * FROM (SELECT TITLE FROM MOVIE ORDER BY RANK DESC) WHERE ROWNUM > 4; when i run the above query .it produces output as NO ROWS SELECTED.why ?plz any one help me

6 Answers   TCS,

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How do I uninstall oracle 11g?

0 Answers  

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How to get a list of all user accounts in the database?

0 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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Explain the concept of the DUAL table.

2 Answers  

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Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?

0 Answers  

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16. Display the order number, order line number and the shipping date. If the shipping date is null, display the string <not shipped yet>.

1 Answers   Wipro,

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