2つの異なるテーブルから有効期限と有効期限の間の日付を取得するSQLクエリ

Question

これらの2つのテーブルの間にリンクがなく、私は結合しようとしています。表1は、有効期限と有効期限がPollDateの表2に紐付く必要があります。 PollDateは、有効期限と有効期限の間にあってはなりません。

Table 1 
ClientID EffectiveDate  ExpirationDate 
1  2009-04-01 00:00:00.000 2009-12-18 00:00:00.000 
1  2010-02-12 00:00:00.000 2010-03-05 00:00:00.000 
1  2010-05-18 00:00:00.000 NULL 
1  2009-12-21 00:00:00.000 2010-02-08 00:00:00.000 
1  2010-12-19 00:00:00.000 2009-12-20 00:00:00.000 

Table 2 
ClientID PollDate 
1  2009-12-20 00:00:00.000 
1  2009-12-19 00:00:00.000 
1  2010-02-12 00:00:00.000 
1  2010-02-27 00:00:00.000 
1  2010-05-19 00:00:00.000 
1  2010-05-29 00:00:00.000 
1  2010-05-30 00:00:00.000 
1  2010-05-31 00:00:00.000 
1  2010-06-05 00:00:00.000 
1  2010-06-25 00:00:00.000 
1  2010-06-27 00:00:00.000 
1  2010-07-02 00:00:00.000 
1  2010-08-04 00:00:00.000 
1  2010-08-20 00:00:00.000 

Result 
ClientID inValidDate 
1  2009-12-20 00:00:00.000 
1  2009-12-19 00:00:00.000  

Answer 1

にマッチします以下は、わずかな変化であります@ AJPの結果の - ちょうどNULL値を考慮してExpirationDate：

CREATE TABLE #Table1 
(
    [ClientID] INT, 
    [EffectiveDate] DATETIME, 
    [ExpirationDate] DATETIME 
) 

INSERT INTO #Table1 
(
    [ClientID], 
    [EffectiveDate], 
    [ExpirationDate] 
) 
SELECT 1, '2009-04-01', '2009-12-18' UNION 
SELECT 1, '2010-02-12', '2010-03-05' UNION 
SELECT 1, '2010-05-18', NULL UNION 
SELECT 1, '2009-12-21', '2010-02-08' UNION 
SELECT 1, '2010-12-19', '2009-12-20' 

CREATE TABLE #Table2 
(
    [ClientID] INT, 
    [PollDate] DATETIME 
) 

INSERT INTO #Table2 
(
    [ClientID], 
    [PollDate] 
) 
SELECT 1, '2009-12-20' UNION 
SELECT 1, '2009-12-19' UNION 
SELECT 1, '2010-02-12' UNION 
SELECT 1, '2010-02-27' UNION 
SELECT 1, '2010-05-19' UNION 
SELECT 1, '2010-05-29' UNION 
SELECT 1, '2010-05-30' UNION 
SELECT 1, '2010-05-31' UNION 
SELECT 1, '2010-06-05' UNION 
SELECT 1, '2010-06-25' UNION 
SELECT 1, '2010-06-27' UNION 
SELECT 1, '2010-07-02' UNION 
SELECT 1, '2010-08-04' UNION 
SELECT 1, '2010-08-20' 

SELECT 
    t2.[ClientID], 
    t2.[PollDate] AS 'inValidDate' 
FROM 
    #Table1 AS t1 
JOIN 
    #Table2 AS t2 
ON 
    (t2.[PollDate] < t1.[EffectiveDate] 
OR t2.[PollDate] > ISNULL(t1.[ExpirationDate], '9999-12-31')) 
AND t1.ClientID = t2.ClientID -- Not clear from your question if this is necessary 

Answer 2

syntextについてはわからないが、このようなことをしたい。

select clientID, polDate as 'inValidDate' 
FROM Table1 t1 
INNER JOIN Table2 t2 
ON t2.PolDate not in between t1.EffectiveDate and t1.ExpirationDate 

EDIT：有効期限がnullの場合と仮定 は、ポリシーが期限切れにならないことを意味します。

select clientID, polDate as 'inValidDate' 
FROM Table1 t1 
INNER JOIN Table2 t2 
ON t2.PolDate not in between t1.EffectiveDate and ISNULL(t1.ExpirationDate, '2999-01-01') 

Answer 3

uは試すことができますuは結合条件に入れていなかったので

select t2.ClientID, t2.PoolDate 
from Table1 t1, Table2 t2 
where t2.PollDate between t1.EffectiveDate and t1.ExpirationDate 

を、TABLE1の各行は、表2の各行に