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abes_nitya

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  1. hello, i have a problem "how to find the number of columns in a table" .......i mean 'how many columns a table have...?thanks.
  2. abes_nitya

    about sql query

    plz help me.... I want to find" top 5 sal from emp" how can we find???thanks.
  3. Sir plz tell me "how to delete duplicate row from a table". thanks.bye.....
  4. abes_nitya

    about SQL query

    My question is about sql query: suppose that there is emp table which contain column name as empname,empno, sal etc.we want to find "nth maximum salary of an employee". by SQL query.byethanks
  5. abes_nitya

    dbms

    sir, iwant to know that "what is the difference between primary key , foreign key and secondary key" plz help me.thanks.bye.....
  6. sir ,i could not stoped ....without giving u a thanks.i want to say u a heartest thanks.because i have to implement this query to my project.thanks
  7. i don't want to change the table name... i want to change the column name of a tablebye
  8. sir i have tried a lot to know the answer of this question , that "how to change the column name of a table" plz help me thanks.
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