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A very simple but complicated SQL statement.
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Client/serveur
Divers
Thread ID:
00081329
Message ID:
00081492
Vues:
29
>>I am using ORACLE 7.3 .
>>
>>I have one table "employee" with a column "sal" .
>>I have inserted the data into the sal in random order.
>>Now I want to retrive the rows from that table who draw the maximum salary. (sal).
>>
>>That is first 5 records after the list is selected by using "order by desc " clause.
>>
>>I want to use single SQL statement.
>>
>>some thing like this algorithm.
>>
>>select first 5 records from ("select sal from employee order by sal desc " )
>>
>>I tried to use rownum, count() etc. but in fail.
>>
>>I dont want to use Foxpro .
>
>Hello Satya,
>
>Try this
>
>    SELECT e.name, ,
>         (SELECT e1.sal
>          FROM employee AS e1
>          WHERE (blah - enter your 'where clause' here) ) AS rank
>      FROM employee AS e
>      WHERE rank <= 5;
>
>
>This was taken from the Q&A section of an excellent site called the SQL PRO at
>http://www.inquiry.com/techtips/thesqlpro/index.html
>
>Steve

Steve, if you'll read this whole thread, you find out that UT is also excellent site.
Edward Pikman
Independent Consultant
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