SQL how to choose random values where clause?

Hello guys,.

for example, I want to choose 25 numbers in the answer column which is end 6?

Select the number of numbers where regexp_like (number, $ 6 '); Like that, but I don't want every number that ends with 6 I want to only 25 of them?

Thank you very much.

953116 wrote:
How can I choose at random?

SELECT *
  FROM (  SELECT number
            FROM numbers
           WHERE REGEXP_LIKE (number, '6$')
        ORDER BY DBMS_RANDOM.VALUE)
 WHERE ROWNUM < 26

Tags: Database

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Published by: Barro on March 19, 2012 21:13

Hello

Barros says:
I need to select the list of records in a table where the available date is greater than or equal to the current date. This is the structure of the table and
Select the query that is used to get the list of records

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INSERT INTO TEMP (ITEM_ID,ITEM_NAME,CREATION_DATE,AVAILABLE_DATE) VALUES(1,'ITEM1',SYSDATE,SYSDATE);
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INSERT INTO TEMP (ITEM_ID,ITEM_NAME,CREATION_DATE,AVAILABLE_DATE) VALUES(3,'ITEM3',SYSDATE,SYSDATE-10);
INSERT INTO TEMP (ITEM_ID,ITEM_NAME,CREATION_DATE,AVAILABLE_DATE) VALUES(4,'ITEM4',SYSDATE,SYSDATE);
INSERT INTO TEMP (ITEM_ID,ITEM_NAME,CREATION_DATE,AVAILABLE_DATE) VALUES(5,'ITEM5',SYSDATE,SYSDATE+5);

SELECT ITEM_NAME, available_date FROM TEMP WHERE available_date > SYSDATE OR available_date LIKE SYSDATE;

Both operands for AS are supposed to be strings. Do not try to use a DATE, such as SYSDATE, with AS.

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do not return only documents not expected
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Hi all:

I can't get the DECODE statement to work inside my WHERE clause. I have read the information on
Tahiti.Oracle.com
http://download.Oracle.com/docs/CD/E11882_01/server.112/e17118/functions049.htm#i1017437

But still can not get it to work. Initially, I had he works as dynamic SQL and then run that string, but I am not allowed to use dynamic SQL statements and to do 'Real' PL/SQL.

I have the following WHERE clause (more info after the WHERE clause)

WHERE 
     a.ebiz_asn_no(+) = te.ebiz_cntrl_no
     AND w.ebiz_work_no(+) = te.ebiz_cntrl_no
     AND o.ebiz_ord_no(+) = ebiz_cntrl_no
     AND t.ebiz_trailer_no(+) = te.ebiz_trailer_no
     AND ms.ebiz_sku_no(+) = te.ebiz_sku_no 
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     AND tl.ebiz_lp_no(+) = te.ebiz_lp_no 
     AND NVL(te.ebiz_lp_no, -1) = NVL(p_LP, nvl(te.ebiz_lp_no, -1))
     AND eu.ebiz_user_no(+) = te.act_ebiz_user_no 
     AND NVL(te.act_ebiz_user_no, -1) = NVL(p_UserID, NVL(te.act_ebiz_user_no, -1))
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     AND NVL(te.end_location, '~') = NVL(p_EndLocation, NVL(te.end_location, '~')) 
     AND te.comp_id = p_CompID 
     AND te.site_id = p_SiteID 
     AND INSTR('' || p_TaskType || '', te.task_type) > 0 
     AND NVL(task_priority, -1) = NVL(p_Priority, NVL(task_priority, -1)) 
     AND NVL(te.ebiz_cntrl_no, -1) = DECODE(te.task_type, 'IULD', DECODE(p_Order, null, te.ebiz_cntrl_no, ebiz_po2asn.get_ebiz_po_no(p_Order)), NVL(p_Order, NVL
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     AND NVL(te.batch_no,'~') = NVL(p_Batch, NVL(te.batch_no, '~'))
     AND NVL(te.ebiz_wave_no, -1) = NVL(p_Wave, NVL(te.ebiz_wave_no, -1)) 
     || whereClauseStatus 
     || whereClauseFromDate 
     || whereClauseToDate;

As you can see, initially I was adding values of "whereClauseStatus, whereClauseFromDate, whereClauseToDate" and it has been defined with the following PL/SQL code:

     IF(p_TaskStatus = 'C') THEN
          -------------------------------------------------------------------------------------------
          --     Set From Date Clause
          -------------------------------------------------------------------------------------------
          IF(p_FromShipDate IS NOT NULL) THEN
               whereClauseFromDate := ' AND TRUNC(te.act_end_date) >= TO_DATE(''' || p_FromShipDate || ''',''MM/dd/yyyy'') ';
          END IF;
          -------------------------------------------------------------------------------------------
          --     Set To Date Clause
          -------------------------------------------------------------------------------------------
          IF (p_ToShipDate IS NOT NULL) THEN
               whereClauseToDate := ' AND TRUNC(te.act_end_date) <= TO_DATE(''' || p_ToShipDate || ''',''MM/dd/yyyy'') ';
          END IF;
     ELSE
          -------------------------------------------------------------------------------------------
          --     Incomplete and All statuses are filtered on the currdate
          -------------------------------------------------------------------------------------------
          -------------------------------------------------------------------------------------------
          --     Set From Date Clause
          -------------------------------------------------------------------------------------------
          IF(p_FromShipDate IS NOT NULL) THEN
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          END IF;
          -------------------------------------------------------------------------------------------
          --     Set To Date Clause
          -------------------------------------------------------------------------------------------
          IF (p_ToShipDate IS NOT NULL) THEN
               whereClauseToDate := ' AND TRUNC(te.currdate) <= TO_DATE(''' || p_ToShipDate || ''',''MM/dd/yyyy'') ';
          END IF;
     END IF;
     

     IF (p_TaskStatus = 'I') THEN
          whereClauseStatus := ' AND act_end_date IS NULL ';
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          whereClauseStatus := ' AND act_end_date IS NOT NULL ';
     ELSE
          whereClauseStatus := '';
     END IF;

I have serious problems getting the DECODE statement to replace the three variables in the annex.

Any help would be greatly appreciated.

Thank you
Andy

Published by: BluShadow on August 2, 2011 15:11
addition of {noformat}

{noformat} tags for clarity. Please read {message:id=9360002} and learn to do this yourself.

I'll take a wild shot in the dark, and suggests that it is perhaps what you are looking for...

WHERE
     a.ebiz_asn_no(+) = te.ebiz_cntrl_no
     AND w.ebiz_work_no(+) = te.ebiz_cntrl_no
     AND o.ebiz_ord_no(+) = ebiz_cntrl_no
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     AND ms.ebiz_sku_no(+) = te.ebiz_sku_no
     AND NVL(ms.ebiz_sku_no, -1) = NVL(p_SKU, nvl(ms.ebiz_sku_no, -1))
     AND tl.ebiz_lp_no(+) = te.ebiz_lp_no
     AND NVL(te.ebiz_lp_no, -1) = NVL(p_LP, nvl(te.ebiz_lp_no, -1))
     AND eu.ebiz_user_no(+) = te.act_ebiz_user_no
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        AND TRUNC(te.act_end_date) <= NVL(TO_DATE(p_ToShipDate,'MM/dd/yyyy'),TRUNC(tw.act_end_date))
        AND TRUNC(te.currdate) >= NVL(TO_DATE(p_FromShipDate,'MM/dd/yyyy'),TRUNC(te.currdate))
     AND TRUNC(te.currdate) <= NVL(TO_DATE(p_ToShipDate,'MM/dd/yyyy'),TRUNC(te.currdate))
        AND (  (act_end_date IS NULL AND p_TaskStatus = 'I')
            OR (act_end_date IS NOT NULL AND p_TaskStatus = 'C')
            OR p_TaskStatus NOT IN ('I','C')
            )

Published by: BluShadow on August 2, 2011 16:27
spleen the last clause. Oops.

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Hello, I am trying to understand how a query in which I have a where clause clause that can be null or a value, that is to say:
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Published by: Frank Kulash, January 25, 2011 15:59

SQL how to choose random values where clause?

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