How are extents allocated to a segment?
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How is it different from a normal table?
How to sort the query output in oracle?
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State the difference between a primary key and foreign key?
what are the different types of cursors? explain?
what is the difference between primary key & foreign key?
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How to convert a string to a date in oracle database?
I have a database backup file in .db (ext) form how to conver it into .dmp (ext.) for oracle database
What spfile/init.ora file parameter exists to force the CBO to make the execution path of a given statement use an index, even if the index scan may appear to be calculated as more costly?
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
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