Returning Output from a Stored Procedure – Microsoft SQL Server

As mentioned in the below article Microsoft® SQL Server Stored Procedures can return data in four different ways.

 http://technet.microsoft.com/en-us/library/ms188655(v=sql.105).aspx 

The below example shows you how to get an output based on the input supplied to a stored procedure.

Create PROCEDURE Test_SP_Output

@Param_ID as NVARCHAR(15),
@Param_ColumnName as NVARCHAR(100),
@OutputValue NVARCHAR(255) OUTPUT

AS
BEGIN

SET NOCOUNT ON;

DECLARE @sql NVARCHAR(512)

BEGIN TRY

SET @sql = N’SELECT @OutputValue = ‘+@Param_ColumnName+’ FROM ‘
+ ‘Table_Name where ID = ”’ + @Param_ID +””

EXEC sp_executesql
@query = @sql,
@params = N’@OutputValue NVARCHAR(255) OUTPUT’,
@OutputValue = @OutputValue OUTPUT

RETURN @OutputValue

END TRY

BEGIN CATCH

RETURN null
PRINT ‘Error : ‘ + CAST(@@ERROR AS VARCHAR(20))
PRINT ‘Error State : ‘ + CAST(ERROR_STATE() AS VARCHAR(20))
PRINT ‘Error Message : ‘ + ERROR_MESSAGE()

END CATCH

END

 

To call the above procedure:


DECLARE @Out NVARCHAR(255)
EXEC Test_SP_Output '6184','Product', @OutputValue=@Out OUTPUT
select @Out as Value

If there is a better way to accomplish this please guide me / comment here.

SQL Server Merge Statement – Insert/Modify/Delete Records

From SQL Server 2008, we can use a MERGE statement to modify data in a target table based on data in a source table.

MERGE statement actually joins the target table data with the source table data by using a common column to both tables(primary key). With the single merge statement we can insert/modify/delete data in the target table based on the data change in the source table.

Hope the below example helps:

MERGE TBL_Live AS TARGET
USING TBL_STG AS SOURCE
ON (TARGET.ID = SOURCE.ID)

-- Update
WHEN MATCHED AND SOURCE.Modified > TARGET.LastRefreshDate THEN
UPDATE SET

TARGET.FirstName= SOURCE.FirstName,
TARGET.LastName= SOURCE.LastName,
TARGET.LastRefreshDate = GETDATE()

-- Insert
WHEN NOT MATCHED BY TARGET THEN
INSERT (FirstName,
LastName,
LastRefreshDate)

VALUES(SOURCE.FirstName,
SOURCE.LastName,
GETDATE())

-- Delete
WHEN NOT MATCHED BY SOURCE THEN
DELETE

OUTPUT $action AS ChangeType,
DELETED.ID AS TargetID, INSERTED.ID AS SourceID;
SELECT @@ROWCOUNT;

Find Start Date, End Date and Number of Days in each from the Date Range given through SQL

One of my friend asked me how to get the Start Date, End Date and Number of Days in each from the Date Range given through SQL. To answer to his question I wrote the below SQL Query. Hope this is an useful one to share with you all.

DECLARE @StartDate DATETIME

DECLARE @EndDate DATETIME

SET @StartDate = ’06-01-2012′
SET @EndDate = ’06-01-2013′

IF @StartDate > @EndDate
BEGIN
PRINT ‘Friend! Please check your parameters’
END ;

WITH DateRange
AS (
SELECT @StartDate DateInfo

UNION ALL

SELECT dateadd ( MM, 1 , DateInfo ) DateInfo
FROM DateRange
WHERE DateInfo < @EndDate
)
SELECT
convert(varchar, DATEADD ( dd, – ( DAY( DateInfo ) – 1), DateInfo ), 101) as FirstDay,
convert(varchar, DATEADD( dd , – ( DAY (DATEADD ( mm, 1 , DateInfo ))), DATEADD ( mm, 1 , DateInfo)), 101) AS LastDay,
DAY(DATEADD(DD,-1,DATEADD(MM ,1,DATEADD(DD, 1 – DAY(DateInfo), DateInfo)))) as NoOfDays
FROM DateRange

Days

To find the number of weeks days in a month you can use the below query

This query referred from sqlservercentral

DECLARE @CurrentDate DATETIME

,@StartOfMonth DATETIME
,@EndofMonth DATETIME;

SELECT @CurrentDate = GETDATE();
SET @StartOfMonth = ’02-01-2013′;
SET @EndofMonth = ’02-28-2013′;

WITH MaxNumberOfDaysInAnyMonth (N) AS
(
SELECT 0
UNION ALL SELECT 1
UNION ALL SELECT 2
UNION ALL SELECT 3
UNION ALL SELECT 4
UNION ALL SELECT 5
UNION ALL SELECT 6
UNION ALL SELECT 7
UNION ALL SELECT 8
UNION ALL SELECT 9
UNION ALL SELECT 10
UNION ALL SELECT 11
UNION ALL SELECT 12
UNION ALL SELECT 13
UNION ALL SELECT 14
UNION ALL SELECT 15
UNION ALL SELECT 16
UNION ALL SELECT 17
UNION ALL SELECT 18
UNION ALL SELECT 19
UNION ALL SELECT 20
UNION ALL SELECT 21
UNION ALL SELECT 22
UNION ALL SELECT 23
UNION ALL SELECT 24
UNION ALL SELECT 25
UNION ALL SELECT 26
UNION ALL SELECT 27
UNION ALL SELECT 28
UNION ALL SELECT 29
UNION ALL SELECT 30
),
DaysOfCurrentMonth AS
(
SELECT DATEADD(DD, N , @StartOfMonth ) DY
FROM MaxNumberOfDaysInAnyMonth
WHERE N <= DATEDIFF(DD,@StartOfMonth,@EndofMonth)
)
SELECT DATENAME(DW,DY) NameOfTheDay , COUNT(*) CountOfDays
FROM DaysOfCurrentMonth
GROUP BY DATENAME(DW,DY);

Daysinmonth

SSRS –Join Multiple SharePoint List Columns Using LookupSet Function

Problem:

How to create SSRS reports by joining multiple SharePoint List columns with foreign key relationship

Solution:

There are three lookup functions in SQL Server 2008 R2 Reporting Services:

  1. Lookup
  2. LookupSet
  3. MultiLookup

In this article I will explain the functionality of LookupSet Function and provide a simple report to show how it is used.

LookupSet:

Returns the set of matching values for the specified name from a dataset that contains name/value pairs.

Syntax:

Lookup(source_expression, destination_expression, result_expression, dataset)

Parameters:

source_expression

(Variant) An expression that is evaluated in the current scope and that specifies the name or key to look up. For example, =Fields!ID.Value.

destination_expression

(Variant) An expression that is evaluated for each row in a dataset and that specifies the name or key to match on. For example, =Fields!CustomerID.Value.

result_expression

(Variant) An expression that is evaluated for the row in the dataset where source_expression = destination_expression, and that specifies the value to retrieve. For example, =Fields!PhoneNumber.Value.

dataset

A constant that specifies the name of a dataset in the report. For example, “ContactInformation”.

Return:

Returns a VariantArray, or Nothing if there is no match.

Example

  • Create two Data Sets as shown below(here “ds_Orders” is the main dataset and “ds_Products” is the master dataset):

SSRS1

  • Create a report and drag and drop the necessary columns from the “ds_Orders” dataset as shown below

SSRS2

  • In the fourth column of this report, we have to bring the data from the “ds_Products” dataset with lookup option. To do this write the below expression on the fourth column

=Join(LookupSet(Fields!Product_Code.Value,Fields!Code.Value,Fields!Title.Value,”ds_Products”), “,”)

  • Now your Report will look something similar to this

SSRS3

  • That’s it you are done. Run the report you will see the below output

SSRS4

 

Reference:

http://msdn.microsoft.com/en-us/library/ee210576(SQL.105).aspx

Hope you liked this article  🙂

Load unique values from a SharePoint List column on a SSRS Parameter

Business Case 

When you create Dataset using SharePoint List as datasource the list columns includes duplicate records. There is no direct way to remove duplicates and get only the distinct values.

Solution

  • Open Report builder and create a datasource and name it as ‘SPListDS’
  • Go to Credential tab and select ‘Use current windows user’ option. And click Ok.
  • Right click on Datasets on Report Data pane and select Add Dataset. Name it as ‘SharePointListDetails’.
  • Select ‘Use a dataset embedded in my report’ option. Select the SPListDS, which you create at the previous step as the datasource. Use the Query Designer to select whatever the list you want to include in the dataset. Click Ok. I selected the column I have to use in my parameter from SharePoint List for my dataset.
  • Right click on the Parameters at the Report data pane and select Add parameter. Name it as ‘DummyParameter’ select ‘Allow multiple values’ check box, select ‘Hidden’ option. Go to Available Values tab, select Get values from query tab. Select dataset, value field and label field from the drop downs.
  • Go to Default values tab; select ‘Get values from a query option’ and select dataset and value field as follows.
  • Next you need to add the Custom code that will get the duplicate values and return only the distinct values.
  • Right click at the report body and select report properties. Go to Code tab. Add the following code to Custom code box. (Thanks to Mohamed for this code 🙂 )

Public Shared Function RemoveDuplicates(parameter As Parameter) As String()

Dim items As Object() = parameter.Value

System.Array.Sort(items)

Dim k As Integer = 0

For i As Integer = 0 To items.Length – 1

If i > 0 AndAlso items(i).Equals(items(i – 1)) Then

Continue For

End If

items(k) = items(i)

k += 1

Next

Dim unique As [String]() = New [String](k – 1) {}

System.Array.Copy(items, 0, unique, 0, k)

Return unique

End Function

  • And click Ok.
  • Next you are going to add the distinct parameter dropdown.
  • Add a new parameter and name it as ‘OriginalParameter’, go to Available values tab and select Specify values option. Click on the Add button. Add the following expression to Label and value fields.

=Code.RemoveDuplicates(Parameters!DummyParameter)

That’s it done

How to restrict user to select only 3 values from the multi value parameter – SSRS

Requirement

How to restrict user to select only 3 values from the multi value parameter – SSRS?

Solution

To take the count of the number of items selected in your parameter use the below expression in your hidden parameter

=Parameters!ParameterName.count

Based on the count in the hidden parameter you can check the condition and pop up the error message. Follow this article written by me

http://www.innovativerndlab.blogspot.com/2009/04/displaying-pop-up-message-in-ssrs-2005.html

Online BI Generator

Nice one

Online BI Generator – http://www.leganto.com/