What is autonomous transaction?

6 Answers  

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how many columns can a plsql table have

13 Answers   NIIT,

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How does oracle handle read consistency?

0 Answers  

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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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Is oracle an open source?

0 Answers  

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What is a heap related to database ?

1 Answers   TCS, University of Edinburgh,

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What do you understand by a database object?

0 Answers  

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How to retrieve 5th highest sal from emp table?

8 Answers  

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In oracle there is column command, how will you explain that?

0 Answers   Aricent,

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What is a table index?

0 Answers  

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What is a deadlock in SQL? How can you prevent it?

1 Answers  

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waht is the difference between primary key and super key?

9 Answers  

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