私は MS-SQL を独学しており、これらの 3 つのテーブルから地域別にグループ化された 2012 年の有償および未払の請求の数を見つけるためのさまざまな方法を見つけようとしています。返された日付がある場合、返された日付が null の場合、請求は未払いであり、請求は支払われます。
実行したコードを添付しますが、より良い方法があるかどうかはわかりません。
ありがとう。
コードは次のとおりです。
SET dateformat ymd;
CREATE TABLE Claims
(
ClaimID INT,
SubID INT,
[Claim Date] DATETIME
);
CREATE TABLE Phoneship
(
ClaimID INT,
[Shipping Number] INT,
[Claim Date] DATETIME,
[Ship Date] DATETIME,
[Returned Date] DATETIME
);
CREATE TABLE Enrollment
(
SubID INT,
Enrollment_Date DATETIME,
Channel NVARCHAR(255),
Region NVARCHAR(255),
Status FLOAT,
Drop_Date DATETIME
);
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (102,
201,
'2011-10-13 00:00:00',
'2011-10-14 00:00:00',
NULL);
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (103,
202,
'2011-11-02 00:00:00',
'2011-11-03 00:00:00',
'2011-11-20 00:00:00');
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (103,
203,
'2011-11-02 00:00:00',
'2011-11-22 00:00:00',
NULL);
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (105,
204,
'2012-01-16 00:00:00',
'2012-01-17 00:00:00',
NULL);
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (106,
205,
'2012-02-15 00:00:00',
'2012-02-16 00:00:00',
'2012-02-26 00:00:00');
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (106,
206,
'2012-02-15 00:00:00',
'2012-02-27 00:00:00',
'2012-03-06 00:00:00');
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (107,
207,
'2012-03-12 00:00:00',
'2012-03-13 00:00:00',
NULL);
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (108,
208,
'2012-05-11 00:00:00',
'2012-05-12 00:00:00',
NULL);
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (109,
209,
'2012-05-13 00:00:00',
'2012-05-14 00:00:00',
'2012-05-28 00:00:00');
INSERT INTO [Phoneship]
([ClaimID],
[Shipping Number],
[Claim Date],
[Ship Date],
[Returned Date])
VALUES (109,
210,
'2012-05-13 00:00:00',
'2012-05-30 00:00:00',
NULL);
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (101,
12345678,
'2011-03-06 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (102,
12347190,
'2011-10-13 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (103,
12348723,
'2011-11-02 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (104,
12349745,
'2011-11-09 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (105,
12347190,
'2012-01-16 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (106,
12349234,
'2012-02-15 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (107,
12350767,
'2012-03-12 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (108,
12350256,
'2012-05-11 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (109,
12347701,
'2012-05-13 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (110,
12350256,
'2012-05-15 00:00:00');
INSERT INTO [Claims]
([ClaimID],
[SubID],
[Claim Date])
VALUES (111,
12350767,
'2012-06-30 00:00:00');
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12345678,
'2011-01-05 00:00:00',
'Retail',
'Southeast',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12346178,
'2011-03-13 00:00:00',
'Indirect Dealers',
'West',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12346679,
'2011-05-19 00:00:00',
'Indirect Dealers',
'Southeast',
0,
'2012-03-15 00:00:00');
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12347190,
'2011-07-25 00:00:00',
'Retail',
'Northeast',
0,
'2012-05-21 00:00:00');
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12347701,
'2011-08-14 00:00:00',
'Indirect Dealers',
'West',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12348212,
'2011-09-30 00:00:00',
'Retail',
'West',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12348723,
'2011-10-20 00:00:00',
'Retail',
'Southeast',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12349234,
'2012-01-06 00:00:00',
'Indirect Dealers',
'West',
0,
'2012-02-14 00:00:00');
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12349745,
'2012-01-26 00:00:00',
'Retail',
'Northeast',
0,
'2012-04-15 00:00:00');
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12350256,
'2012-02-11 00:00:00',
'Retail',
'Southeast',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12350767,
'2012-03-02 00:00:00',
'Indirect Dealers',
'West',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12351278,
'2012-04-18 00:00:00',
'Retail',
'Midwest',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12351789,
'2012-05-08 00:00:00',
'Indirect Dealers',
'West',
0,
'2012-07-04 00:00:00');
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12352300,
'2012-06-24 00:00:00',
'Retail',
'Midwest',
1,
NULL);
INSERT INTO [Enrollment]
([SubID],
[Enrollment_Date],
[Channel],
[Region],
[Status],
[Drop_Date])
VALUES (12352811,
'2012-06-25 00:00:00',
'Retail',
'Southeast',
1,
NULL);
そしてクエリ1
SELECT Count(ClaimID) AS 'Paid Claim',
(SELECT Count(ClaimID)
FROM dbo.phoneship
WHERE [returned date] IS NOT NULL) AS 'Unpaid Claim'
FROM dbo.Phoneship
WHERE [Returned Date] IS NULL
GROUP BY claimid
クエリ2
SELECT Count(*) AS 'Paid Claims',
(SELECT Count(*)
FROM dbo.Phoneship
WHERE [Returned Date] IS NOT NULL) AS 'Unpaid Claims'
FROM dbo.Phoneship
WHERE [Returned Date] IS NULL;
クエリ3
Select Distinct(C.[Shipping Number]), Count(C.ClaimID) AS 'COUNT ClaimID',
A.Region, A.SubID
From dbo.HSEnrollment A
Inner Join dbo.Claims B On A.SubId = B.SubId
Inner Join dbo.Phoneship C On B.ClaimID = C.ClaimID
Where C.[Returned Date] IS NULL
Group By A.Region, A.Subid, C.ClaimID, C.[Shipping Number] Order By A.Region