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SQL Server Scripting Guide

This document contains examples of various SQL Server objects and functions including: 1. Views are created to filter data from tables based on conditions. Triggers are created to prevent or log insert/update/delete operations. Stored procedures demonstrate passing parameters and returning values. 2. User defined functions are created to encapsulate and reuse SQL logic. Functions can return scalar values or tables. Transactions are used to group statements and rollback on error. 3. Additional concepts covered include CTEs, grouping sets, ranking functions, XML, and table partitioning.

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mortin
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365 views10 pages

SQL Server Scripting Guide

This document contains examples of various SQL Server objects and functions including: 1. Views are created to filter data from tables based on conditions. Triggers are created to prevent or log insert/update/delete operations. Stored procedures demonstrate passing parameters and returning values. 2. User defined functions are created to encapsulate and reuse SQL logic. Functions can return scalar values or tables. Transactions are used to group statements and rollback on error. 3. Additional concepts covered include CTEs, grouping sets, ranking functions, XML, and table partitioning.

Uploaded by

mortin
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as TXT, PDF, TXT or read online on Scribd
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/****** Script for SelectTopNRows command from SSMS ******/

SELECT TOP 1000 [TerritoryID]


,[Name]
,[CountryRegionCode]
,[Group]
,[SalesYTD]
,[SalesLastYear]
,[CostYTD]
,[CostLastYear]
,[rowguid]
,[ModifiedDate]
FROM [AdventureWorks2012].[Sales].[SalesTerritory]

---VIEWS (US VIEW)


CREATE VIEW MyCustomUSView
AS
SELECT * FROM [AdventureWorks2012].[Sales].[SalesTerritory]
WHERE CountryRegionCode LIKE 'US'

SELECT * FROM MyCustomUSView

CREATE VIEW NASalesQuota


AS
SELECT [Name], [Group], [SalesQuota], [Bonus]
FROM [AdventureWorks2012].[Sales].[SalesTerritory] A INNER JOIN [Sales].
[SalesPerson] B
ON A.TerritoryID = B.territoryID
WHERE [Group] LIKE 'North America'

SELECT * FROM NASalesQuota

---------------------------TRIGGER------------------------
---------------------------------------------------------
SELECT * FROM [HumanResources].[Shift]

CREATE TRIGGER Demo_Trigger


ON [HumanResources].[Shift]
AFTER INSERT
AS
BEGIN
PRINT 'INSERT IS NOT ALLOWED. YOU NEED APPROVAL'
ROLLBACK TRANSACTION
END
GO

--TEST THE TRIGGER


INSERT INTO [HumanResources].[Shift]
(
[Name],
[StartTime],
[EndTime],
[ModifiedDate])
VALUES
('RAKESH2'
,'07:00:00.0000000'
,'8:00:00.0000000'
,getdate()
)
SELECT * FROM [HumanResources].[Shift]

------------------------------------------------------
----------DATABASE LEVEL TRIGGER

CREATE TRIGGER DEMO_DBLEVELTRIGGER


ON DATABASE
AFTER CREATE_TABLE
AS
BEGIN
PRINT 'CREATION OF NEW TABLES NOT ALLOWED'
ROLLBACK TRANSACTION
END
GO

CREATE TABLE MYDEMOTABLE(Col1 varchar(10))

-----------------------------------------------------
----STORED PROCEDURES
-----------------------------------------------------
CREATE PROCEDURE MyTestProc
AS
SET NOCOUNT ON
SELECT * FROM [HumanResources].[Shift]

EXECUTE MyTestProc

CREATE PROCEDURE MyTestProc2


AS
SET NOCOUNT OFF
SELECT * FROM [HumanResources].[Shift]

EXEC MyTestProc2

DROP PROC MytestPRoc


DROP PROC MytestPRoc2

CREATE PROCEDURE MyFirstParamProcedure


@Param_Name VARCHAR(50)
AS
SET NOCOUNT ON
SELECT * FROM [HumanResources].[Shift]
WHERE Name = @Param_Name

EXEC MyFirstParamProcedure @Param_Name = 'Day'


EXEC MyFirstParamProcedure 'Day'
EXEC MyFirstParamProcedure

DROP PROC MyFirstParamProcedure

CREATE PROCEDURE MyFirstParamProcedure


@Param_Name VARCHAR(50) = 'Evening'
AS
SET NOCOUNT ON
SELECT * FROM [HumanResources].[Shift]
WHERE Name = @Param_Name
EXEC MyFirstParamProcedure 'Day'

--OUTPUT PARAMETERS
CREATE PROC MyOutputSP
@TopShift varchar(50) OUTPUT
AS
SET @TopShift = (SELECT TOP(1) ShiftID FROM [HumanResources].[Shift])

DECLARE @outputresult VARCHAR(50)


EXEC MyOutputSP @outputresult output
select @outputresult

DROP PROC MyOutputSP

--RETURNING VALUES FROM STORED PROCEDURES


CREATE PROC myFirstReturningSP
AS
RETURN 12

DECLARE @resturnvalue INT


EXEC @resturnvalue = myFirstReturningSP
SELECT @resturnvalue

------------------------------------------
----USER DEFINED FUNCTIONS
------------------------------------------
SELECT * FROM [Sales].[SalesTerritory]

CREATE FUNCTION YTDSALES()


RETURNS MONEY
AS
BEGIN
DECLARE @YTDSALES MONEY
SELECT @YTDSALES = SUM(SALESYTD) FROM [Sales].[SalesTerritory]
RETURN @YTDSALES
END

DECLARE @YTDRESULTS AS MONEY


SELECT @YTDRESULTS = dbo.YTDSALES()
PRINT @YTDRESULTS

DROP FUNCTION YTDSALES

---PARAMETERIZED FUNCTIONS
SELECT * FROM [Sales].[SalesTerritory]

CREATE FUNCTION YTD_GROUP


(@GROUP VARCHAR(50))

RETURNS MONEY
AS
BEGIN
DECLARE @YTDSALES AS MONEY
SELECT @YTDSALES = SUM(SalesYTD) FROM [Sales].[SalesTerritory]
WHERE [GROUP] = @GROUP
RETURN @YTDSALES
END
DECLARE @RESULTS MONEY
SELECT @RESULTS = dbo.YTD_GROUP('Europe')
PRINT @RESULTS

DROP FUNCTION YTD_GROUP


-----------------------------------------------------
---FUNCTIONS RETURNING TABLES

CREATE FUNCTION ST_TABVALUED


(@TerritoryID INT)
RETURNS TABLE
AS RETURN
SELECT Name, CountryRegionCode, [Group], SalesYTD
FROM Sales.SalesTerritory
Where TerritoryID = @TerritoryID

SELECT Name, [Group] FROM dbo.ST_TABVALUED(7)

---TRANSACTIONS
SELECT * FROM [Sales].[SalesTerritory]

BEGIN TRANSACTION
UPDATE Sales.SalesTerritory
SET CostYTD = 1.00
WHERE TerritoryID = 1
COMMIT TRANSACTION

--@@error 0 = success, > 0 means error

DECLARE @ERRORRESULTS VARCHAR(50)


BEGIN TRANSACTION
INSERT INTO [Sales].[SalesTerritory]
([Name]
,[CountryRegionCode]
,[Group]
,[SalesYTD]
,[SalesLastYear]
,[CostYTD]
,[CostLastYear]
,[rowguid]
,[ModifiedDate])
VALUES
('ABC'
,'us'
,'na'
,1.00
,1.00
,1.00
,1.00
,'43689A10-E30B-497F-B0DE-11DE20267FF3'
,GETDATE())

SET @ERRORRESULTS = @@ERROR

IF(@ERRORRESULTS = 0)
BEGIN
PRINT 'SUCCESS!!!!'
COMMIT TRANSACTION
END
ELSE
BEGIN
PRINT 'STATEMENT FAILED!!!!'
ROLLBACK TRANSACTION
end

SELECT * FROM [Sales].[SalesTerritory]

--custom error message

DECLARE @ERRORRESULTS VARCHAR(50)


BEGIN TRANSACTION
INSERT INTO [Sales].[SalesTerritory]
([Name]
,[CountryRegionCode]
,[Group]
,[SalesYTD]
,[SalesLastYear]
,[CostYTD]
,[CostLastYear]
,[rowguid]
,[ModifiedDate])
VALUES
('ABC'
,'us'
,'na'
,1.00
,1.00
,1.00
,1.00
,'43689A10-E30B-497F-B0DE-11DE20267FF3'
,GETDATE())

SET @ERRORRESULTS = @@ERROR

IF(@ERRORRESULTS = 0)
BEGIN
PRINT 'SUCCESS!!!!'
COMMIT TRANSACTION
END
ELSE
BEGIN
RAISERROR('STATEMENT FAILED - THIS IS MY CUSTOM MESSAGE', 16, 1)
ROLLBACK TRANSACTION
end

--TRY AND CATCH


BEGIN TRY
BEGIN TRANSACTION

DECLARE @ERRORRESULTS VARCHAR(50)


BEGIN TRANSACTION
INSERT INTO [Sales].[SalesTerritory]
([Name]
,[CountryRegionCode]
,[Group]
,[SalesYTD]
,[SalesLastYear]
,[CostYTD]
,[CostLastYear]
,[rowguid]
,[ModifiedDate])
VALUES
('ABC'
,'us'
,'na'
,1.00
,1.00
,1.00
,1.00
,'43689A10-E30B-497F-B0DE-11DE20267FF3'
,GETDATE())

commit TRANSACTION
END TRY

BEGIN CATCH
PRINT 'CATCH STATEMENT ENTERED'
ROLLBACK TRANSACTION
END CATCH

--CTE
SELECT * FROM [Sales].[SalesTerritory]

WITH CTE_SALESTERR
AS
(
SELECT Name, CountryRegionCode FROM Sales.SalesTerritory
)

SELECT * FROM CTE_SALESTERR


WHERE NAME LIKE 'North%';

---GROUP BY
SELECT * FROM [Sales].[SalesTerritory]

SELECT Name, NUll, NULL, SUM(SalesYTD)


FROM [Sales].[SalesTerritory]
GROUP BY Name

UNION ALL

SELECT Name, CountryRegionCode, NULL, SUM(SalesYTD)


FROM [Sales].[SalesTerritory]
GROUP BY Name, CountryRegionCode

UNION ALL

SELECT Name, CountryRegionCode, [Group], SUM(SalesYTD)


FROM [Sales].[SalesTerritory]
GROUP BY Name, CountryRegionCode, [group]

---GROUPING SETS
SELECT Name, CountryRegionCode, [Group], SUM(SalesYTD)
FROM [Sales].[SalesTerritory]
GROUP BY GROUPING SETS
(
(Name),
(Name, CountryREgionCode),
(Name, CountryRegionCode, [Group])
)

--ROLLUP
SELECT Name, CountryRegionCode, [Group], SUM(SalesYTD)
FROM [Sales].[SalesTerritory]
GROUP BY ROLLUP
(
(Name, CountryRegionCode, [Group])
)

--CUBE
SELECT Name, CountryRegionCode, [Group], SUM(SalesYTD)
FROM [Sales].[SalesTerritory]
GROUP BY CUBE
(
(Name, CountryRegionCode, [Group])
)

--RANKING FUNCTIONS

SELECT * FROM [Person].[Address]

SELECT POSTALCODE FROM [Person].[Address]


WHERE POSTALCODE IN ('98052', '98027', '98055' , '97205')

SELECT POSTALCODE
,ROW_NUMBER() OVER (ORDER BY POSTALCODE) AS 'ROW NUMBER'
,RANK() OVER (ORDER BY POSTALCODE) AS 'RANK'
,DENSE_RANK() OVER (ORDER BY POSTALCODE) AS 'DENSE RANK'
,NTILE(10) OVER (ORDER BY POSTALCODE) AS 'NTILE'
FROM [Person].[Address]
WHERE POSTALCODE IN ('98052', '98027', '98055' , '97205')

---XML DATATYPE

select * from [dbo].[samplexmltable]

INSERT INTO [dbo].[samplexmltable] (xmldata) VALUES


('<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Dont forget me this weekend!</body>
</note>')

select * from [dbo].[samplexmltable]

select * from sales.SalesTerritory


for xml auto, elements, root ('Salesterritory')
select * from sales.SalesTerritory
for xml raw, elements, root ('Salesterritory')

select * from [dbo].[samplexmltable]

select [xmldata].query('/note/to') as [to]


from [dbo].[samplexmltable]

select [xmldata].value('(/note/to)[1]', 'varchar(10)') as [to]


from [dbo].[samplexmltable]

select top 10 territoryid from sales.SalesTerritory


for xml auto , elements, root('SalesTerritory')

select * from sales.SalesTerritory


for xml auto , elements, root('SalesTerritory')

declare @xmlhandle int


declare @xmldocument xml

set @xmldocument = (select * from sales.SalesTerritory


for xml auto , elements, root('SalesTerritory'))

exec sp_xml_preparedocument @xmlhandle output , @xmldocument

select * from openxml(@xmlhandle, '/SalesTerritory/sales.SalesTerritory', 2)


with (TerritoryID int , SalesYTD MONEY)

exec sp_xml_removedocument @xmlhandle

----PARTITIONS
use partitiondb
go

create partition function cust_part_func (int)


as range right
for values (1000, 2000, 3000, 4000, 5000)

create partition scheme cust_part_scheme


as partition cust_part_func
to (fgp1, fgp2, fgp3,fgp4,fgp5,fgp6)

--CREATE A DB Called Partition, THen create filegroups, then logical secondary


partitions and asscociate it. Show all secondary filegroups.
create table tbpartition
(empid int identity(1,1) not null,
empdate datetime null
)
on cust_part_scheme(empid)

declare @i int
set @i = 0
while @i < 10000
begin
insert into tbpartition (empdate) values (getdate())
set @i = @i + 1
select $partition.cust_part_func(empID) as 'partition number', *
from tbpartition

---PIVOT
select * from sales.salesterritory

select countryregioncode, [group], salesytd


from sales.salesterritory

---countryregioncode |NorthAmerica | Europe


-- US | 23 |...

select countryregioncode , [North America], [Europe]


from sales.salesterritory
pivot
(
sum(salesytd) for [group]
in ([North America], [Europe], [Pacific])
)
as pvt

---Dynamic Queries
declare @sqlstring varchar(2000)
set @sqlstring = 'select countryregioncode, [group], '
set @sqlstring = @sqlstring + 'salesytd from sales.salesterritory'

print @sqlstring
exec (@sqlstring)

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