A summary query that uses the MIN and MAX functions : Min « Aggregate Functions « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » Aggregate Functions » Min 
9. 5. 2. A summary query that uses the MIN and MAX functions
4>
5create table Billings (
6>     BankerID           INTEGER,
7>     BillingNumber      INTEGER,
8>     BillingDate        datetime,
9>     BillingTotal       INTEGER,
10>     TermsID            INTEGER,
11>     BillingDueDate     datetime ,
12>     PaymentTotal       INTEGER,
13>     CreditTotal        INTEGER
14>
15);
16> GO
1>
2INSERT INTO Billings VALUES (11'2005-01-22', 1651,'2005-04-22',123,321);
3> GO

(rows affected)
1INSERT INTO Billings VALUES (22'2001-02-21', 1651,'2002-02-22',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (33'2003-05-02', 1651,'2005-04-12',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (44'1999-03-12', 1651,'2005-04-18',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (55'2000-04-23', 1651,'2005-04-17',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (66'2001-06-14', 1651,'2005-04-18',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (77'2002-07-15', 1651,'2005-04-19',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (88'2003-08-16', 1651,'2005-04-20',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (99'2004-09-17', 1651,'2005-04-21',123,321);
2> GO

(rows affected)
1INSERT INTO Billings VALUES (00'2005-10-18', 1651,'2005-04-22',123,321);
2> GO

(rows affected)
1>
2>
3SELECT 'After 1/1/2002' AS SelectionDate, COUNT(*AS NumberOfBillings,
4>     MAX(BillingTotalAS HighestBillingTotal,
5>     MIN(BillingTotalAS LowestBillingTotal
6FROM Billings
7WHERE BillingDate > '2002-01-01'
8> GO
SelectionDate  NumberOfBillings HighestBillingTotal LowestBillingTotal
-------------- ---------------- ------------------- ------------------
After 1/1/2002                6                 165                165

(rows affected)
1>
2> drop table Billings;
3> GO
9. 5. Min
9. 5. 1. MIN returns the smallest value in a column of all selected records by the query of any char, number, or datetime datatype.
9. 5. 2. A summary query that uses the MIN and MAX functions
9. 5. 3. Query Using MIN() and MAX() on Same Column
9. 5. 4. id = (SELECT MIN(id) FROM employee)
9. 5. 5. Finding the Earliest Date Using MIN()
9. 5. 6. Finding the First Order for Each Customer Using MIN()
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