requêtes SQL pour plusieurs tables

Question

I Used SQL 2000 et la base de données ont tableaux suivants

LandParcel (Table Name) 
BlockID ParcelNo NameofOnwe 
11001 1056  Chandana 
11001 1078  Sisil 
11001 1158  Kumara 
11078 105  SK 
11078 245  Shantha

Actions (Table) 
Blockid ParcelNo ActionTaken 
11001 1056  Received 
11001 1078  Received 
11001 1158  Received 
11078 105  Received 
11078 245  Received 
11001 1056  Send To LR 
11001 1078  Send to LR 
11078 105  Send To LT

Je veux la requête suivante

Blockid ActionTaken ParcelNos 
11001 Received  1056, 1078, 1158 
11078 Received  105, 245 
11001 Send To LR 1056, 1078 
11078 Send To LR 105

Pl me aider Chandana

Answer 1

Je don J'aime pas beaucoup les curseurs mais je ne trouve pas d'autre solution. Je pourrais essayer plus tard de le faire sans curseurs.

/* Sample data.*/ 


create TABLE #LandParcel (BlockID INT, ParcelNo INT, NameofOnwe VARCHAR(50)) 

insert INTo #LandParcel select 11001 , 1056 , 'Chandana' 
insert INTo #LandParcel select 11001 , 1078 , 'Sisil' 
insert INTo #LandParcel select 11001 , 1158 , 'Kumara' 
insert INTo #LandParcel select 11078 , 105 , 'SK' 
insert INTo #LandParcel select 11078 , 245 , 'Shantha' 


CREATE TABLE #Actions (Blockid INT, ParcelNo INT, ActionTaken VARCHAR(50)) 

insert INTo #Actions select 11001 , 1056 ,'Received' 
insert INTo #Actions select 11001 , 1078 , 'Received' 
insert INTo #Actions select 11001 , 1158 , 'Received' 
insert INTo #Actions select 11078 , 105 , 'Received' 
insert INTo #Actions select 11078 , 245 , 'Received' 
insert INTo #Actions select 11001 , 1056 , 'Send To LR' 
insert INTo #Actions select 11001 , 1078 , 'Send to LR' 
insert INTo #Actions select 11078 , 105  , 'Send To LT' 

/* End sample data */ 

/* Update query*/ 

CREATE TABLE #temp (BlockId INT, ActionTaken VARCHAR(50), ParcelNumbers VARCHAR(100)) 

INSERT INTO #temp 
SELECT l.blockid, a.ActionTaken, NULL 
FROM #LandParcel l INNER JOIN #Actions a on l.blockid = a.blockid 
GROUP BY l.blockid, a.actiontaken 

DECLARE @blockId INT 
DECLARE @actionTaken VARCHAR(50) 
DECLARE @parcel VARCHAR(100) 

SET @parcel = '' 

DECLARE @cursorParcel CURSOR 
    SET  @cursorParcel = CURSOR FAST_FORWARD 
    FOR 
    SELECT blockid, ActionTaken FROM #temp 

    OPEN @cursorParcel 

    FETCH NEXT FROM @cursorParcel 
    INTO @blockId, 
      @actionTaken 
    WHILE @@FETCH_STATUS = 0 
    BEGIN 

     SELECT @parcel = CASE @parcel 
       WHEN '' THEN convert(VARCHAR(10), a.ParcelNo) 
       ELSE @parcel + ', ' + convert(VARCHAR(10), a.ParcelNo) 
       END 
     from #temp t INNER JOIN #Actions a on t.blockid = a.blockid and t.actiontaken = a.actiontaken 
     where t.BlockId = @blockId 
     AND  t.ActionTaken = @actionTaken 

     UPDATE #temp SET ParcelNumbers = @parcel 
     WHERE BlockId = @blockId 
     AND  ActionTaken = @actionTaken 

     SET @blockId  = NULL 
     SET @actionTaken = NULL 
     SET @parcel   = '' 

     FETCH NEXT FROM @cursorParcel 
     INTO @blockId, 
       @actionTaken 

    END 


CLOSE  @cursorParcel 
DEALLOCATE @cursorParcel 

SELECT * FROM #temp 

DROP TABLE #temp 
DROP TABLE #LandParcel 
DROP TABLE #Actions 

Answer 2

Vous pouvez utiliser FOR XML RAW de SQL Server 2000 pour simuler le comportement FOR XML PATH de SQL Server 2005:

SELECT 
    a.BlockID, 
    a.ActionTaken, 
    REPLACE(
    REPLACE(
    REPLACE(
    (SELECT ParcelNo 
    FROM Actions 
    WHERE BlockID = a.BlockID 
    AND ActionTaken = a.ActionTaken 
    ORDER BY ParcelNo 
    FOR XML RAW), '"/><row ParcelNo="', ', '), 
    '<row ParcelNo="', ''), 
    '"/>', '') AS ParcelNos 
FROM Actions a 
INNER JOIN LandParcel l 
    ON a.BlockID = l.BlockID 
    AND a.ParcelNo = l.ParcelNo 
GROUP BY 
    a.BlockID, 
    a.ActionTaken 
ORDER BY 
    a.ActionTaken