What is integrity and what is constraint??Explain with
example
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ABOUT IDENTITY?
12 RULES OF RDBMS
Explain table?
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t1 col1 col2 nishi 5000 lucky 6700 akash 7000 i want that a query that when i insert 7000 it will show me data already present and data will not insert. if data is not present it will insert.
What is integrity and what is constraint??Explain with example
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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