SQL Server/T-SQL/Data Type/int
int type column
6> CREATE TABLE T (
7> int1 int,
8> bit1 bit,
9> varchar1 varchar(3),
10> dec1 dec(5,2),
11> cmp1 AS (int1 + bit1)
12> )
13> GO
1>
2> INSERT T (int1, bit1) VALUES (1, 0)
3> INSERT T (int1, varchar1) VALUES (2, "abc")
4> INSERT T (int1, dec1) VALUES (3, 5.25)
5> INSERT T (bit1, dec1) VALUES (1, 9.75)
6> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2> drop table t;
3> GO
int type parameter
2>
3> CREATE TABLE Employees (
4> EmployeeID int NOT NULL ,
5> LastName nvarchar (20) NOT NULL ,
6> FirstName nvarchar (10) NOT NULL ,
7> Title nvarchar (30) NULL ,
8> TitleOfCourtesy nvarchar (25) NULL ,
9> BirthDate datetime NULL ,
10> HireDate datetime NULL ,
11> Address nvarchar (60) NULL ,
12> City nvarchar (15) NULL ,
13> Region nvarchar (15) NULL ,
14> PostalCode nvarchar (10) NULL ,
15> Country nvarchar (15) NULL ,
16> HomePhone nvarchar (24) NULL ,
17> Extension nvarchar (4) NULL ,
18> Photo image NULL ,
19> Notes ntext NULL ,
20> ReportsTo int NULL ,
21> PhotoPath nvarchar (255) NULL
22>
23> )
24> GO
1>
2>
3>
4> CREATE TABLE RegionPlace
5> (RegionID nvarchar (20) NOT NULL ,
6> TerritoryDescription nchar (50) NOT NULL ,
7> RegionID int NOT NULL
8> )
9> GO
1>
2> Insert Into RegionPlace Values ("01581","Westboro",1)
3> Insert Into RegionPlace Values ("01730","Bedford",1)
4> Insert Into RegionPlace Values ("01833","Georgetow",1)
5> Insert Into RegionPlace Values ("95060","Santa Cruz",2)
6> Insert Into RegionPlace Values ("98004","Bellevue",2)
7> Insert Into RegionPlace Values ("98052","Redmond",2)
8> Insert Into RegionPlace Values ("98104","Seattle",2)
9> Go
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1> CREATE TABLE EmployeeRegion
2> (EmployeeID int NOT NULL,
3> RegionID nvarchar (20) NOT NULL
4> )
5> GO
1>
2> Insert Into EmployeeRegion Values (1,"06897")
3> Insert Into EmployeeRegion Values (1,"19713")
4> Insert Into EmployeeRegion Values (9,"48084")
5> Insert Into EmployeeRegion Values (9,"48304")
6> Insert Into EmployeeRegion Values (9,"55113")
7> Insert Into EmployeeRegion Values (9,"55439")
8> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2> CREATE FUNCTION dbo.udf_EmpRegionPlaceTAB (
3> @EmployeeID int
4> ) RETURNS TABLE
5> AS RETURN
6> SELECT TOP 100 PERCENT WITH TIES
7> et.RegionID
8> , t.TerritoryDescription as [Territory]
9> , t.RegionID
10> FROM EmployeeRegion et
11> LEFT OUTER JOIN RegionPlace t
12> ON et.RegionID = t.RegionID
13> WHERE et.EmployeeID = @EmployeeID
14> ORDER BY t.TerritoryDescription
15>
16> GO
1>
2> DECLARE @EmpID int
3> SELECT @EmpID = EmployeeID
4> FROM Employees
5> WHERE FirstName = "Andrew" and LastName = "Fuller"
6>
7> SELECT * FROM udf_EmpRegionPlaceTAB(@EmpID)
8> GO
RegionID Territory RegionID
-------------------- -------------------------------------------------- -----------
(0 rows affected)
1>
2>
3>
4> drop FUNCTION dbo.udf_EmpRegionPlaceTAB;
5> GO
1> drop table EmployeeRegion;
2> drop table RegionPlace;
3> drop table Employees;
4> GO
1>
RETURNS INT from a function
2>
3>
4> CREATE TABLE EmployeeRegion
5> (EmployeeID int NOT NULL,
6> RegionID nvarchar (20) NOT NULL
7> )
8> GO
1>
2> Insert Into EmployeeRegion Values (1,"06897")
3> Insert Into EmployeeRegion Values (1,"19713")
4> Insert Into EmployeeRegion Values (9,"48084")
5> Insert Into EmployeeRegion Values (9,"48304")
6> Insert Into EmployeeRegion Values (9,"55113")
7> Insert Into EmployeeRegion Values (9,"55439")
8> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2>
3> CREATE TABLE Employees (
4> EmployeeID int NOT NULL ,
5> LastName nvarchar (20) NOT NULL ,
6> FirstName nvarchar (10) NOT NULL ,
7> Title nvarchar (30) NULL ,
8> TitleOfCourtesy nvarchar (25) NULL ,
9> BirthDate datetime NULL ,
10> HireDate datetime NULL ,
11> Address nvarchar (60) NULL ,
12> City nvarchar (15) NULL ,
13> Region nvarchar (15) NULL ,
14> PostalCode nvarchar (10) NULL ,
15> Country nvarchar (15) NULL ,
16> HomePhone nvarchar (24) NULL ,
17> Extension nvarchar (4) NULL ,
18> Photo image NULL ,
19> Notes ntext NULL ,
20> ReportsTo int NULL ,
21> PhotoPath nvarchar (255) NULL
22>
23> )
24> GO
1>
2>
3> CREATE FUNCTION dbo.udf_EmpTerritoryCOUNT (
4> @EmployeeID int
5> ) RETURNS INT
6> AS BEGIN
7> DECLARE @RegionPlace int
8> SELECT @RegionPlace = count(*)
9> FROM EmployeeRegion
10> WHERE EmployeeID = @EmployeeID
11>
12> RETURN @RegionPlace
13> END
14> GO
1>
2>
3> -- Get the 3 employees with the most RegionPlace
4> SELECT TOP 3 LastName, FirstName
5> , dbo.udf_EmpTerritoryCOUNT(EmployeeID) as RegionPlace
6> FROM Employees
7> WHERE dbo.udf_EmpTerritoryCOUNT(EmployeeID) > 3
8> ORDER BY dbo.udf_EmpTerritoryCOUNT(EmployeeID) desc
9> GO
LastName FirstName RegionPlace
-------------------- ---------- -----------
(0 rows affected)
1>
2>
3> drop FUNCTION dbo.udf_EmpTerritoryCOUNT;
4> GO
1>
2>
3> drop table EmployeeRegion;
4> GO
1>
2> drop table Employees;
3> GO