Merge Statement - Update All Data

Mar 14, 2014

I am using Merge Statement. Here is my requirement, I don't want to Insert data if Client State is NY, but I want to update all data

When Not Matched
and State not in ('NY')
THEN INSERT

the problem is sometime data NY data is inserted and sometime don't.

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Update Not Happening Using Merge Statement

Feb 11, 2015

Even rowchecksum is different in target from source then also update is not happening

alter Procedure SP_Archive_using_merge
AS
BEGIN
SET NOCOUNT ON
Declare @Source_RowCount int
Declare @New_RowCount int

[Code] ....

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Transact SQL :: Update Statement In Merge Does Not Work

Jul 29, 2015

In the following t-sql 2012 merge statement, the insert statement works but the update statement does not work. I know that is true since I looked at the results of the update statement:

Merge TST.dbo.LockCombination AS LKC1
USING
(select LKC.comboID,LKC.lockID,LKC.seq,A.lockCombo2,A.schoolnumber,LKR.lockerId
from
[LockerPopulation] A
JOIN TST.dbo.School SCH ON A.schoolnumber = SCH.type

[Code] ...

Thus can you show me some t-sql 2012 that I can use to make update statement work in the merge function?

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SQL Server 2012 :: MERGE Statement Attempted To UPDATE Or DELETE Same Row More Than Once

Mar 12, 2015

I have created a Dynamic Merge statement SCD2 Store procedure , which insert the records if no matches and if bbxkey matches from source table to destination table thne it updates old record as lateteverion 0 and insert new record with latest version 1.

I am getting below error when I ahve more than 1 bbxkey in my source table. How can I ignore this.

BBXkey is nothing but I am deriving by combining 2 columns.

Msg 8672, Level 16, State 1, Line 6

The MERGE statement attempted to UPDATE or DELETE the same row more than once. This happens when a target row matches more than one source row. A MERGE statement cannot UPDATE/DELETE the same row of the target table multiple times. Refine the ON clause to ensure a target row matches at most one source row, or use the GROUP BY clause to group the source rows.

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Does The Actual Update Statement Of A Table Affect Merge Replication?

Dec 8, 2006

Suppose your using Merge Replication.

2 Users in 2 locations issue updates to the same table. 1 updating 1 column and the other updating another column. Now in reality the actual Stored Procedure issuing the update statement is passed in all the possible columns that could change and builds an update statement that updates all columns even the ones that havent changed.

Will this break Merge Replications conflict tracking? Or does SQL Server 2005 Merge Replication pickup that in reality the 2 updates only in reality changed the values in 2 columns.

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SQL Server 2008 :: Merge Statement Takes Several Times Longer To Execute Than Equivalent Update

Jun 20, 2013

Problem Summary: Merge Statement takes several times longer to execute than equivalent Update, Insert and Delete as separate statements. Why?

I have a relatively large table (about 35,000,000 records, approximately 13 GB uncompressed and 4 GB with page compression - including indexes). A MERGE statement pretty consistently takes two or three minutes to perform an update, insert and delete. At one extreme, updating 82 (yes 82) records took 1 minute, 45 seconds. At the other extreme, updating 100,000 records took about five minutes.When I changed the MERGE to the equivalent separate UPDATE, INSERT & DELETE statements (embedded in an explicit transaction) the entire update took only 17 seconds. The query plans for the separate UPDATE, INSERT & DELETE statements look very similar to the query plan for the combined MERGE. However, all the row count estimates for the MERGE statement are way off.

Obviously, I am going to use the separate UPDATE, INSERT & DELETE statements. The actual query plans for the four statements ( combined MERGE and the separate UPDATE, INSERT & DELETE ) are attached. SQL Code to create the source and target tables and the actual queries themselves are below. I've also included the statistics created by my test run. Nothing else was running on the server when I ran the test.

Server Configuration:

SQL Server 2008 R2 SP1, Enterprise Edition
3 x Quad-Core Xeon Processor
Max Degree of Parallelism = 8
148 GB RAM

SQL Code:

Target Table:
USE TPS;
IF OBJECT_ID('dbo.ParticipantResponse') IS NOT NULL
DROP TABLE dbo.ParticipantResponse;

[code]....

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SQL Server 2012 :: Update Statement Will Not Update Data Beyond 7 Million Plus Rows Out Of 38 Millions Rows

Dec 12, 2014

I run the following statement and it will not update beyond 7 million plus rows and I have about 38 million to complete. I keep checking updated row counts and after 1/2 day it's still the same so I know something is wrong because it was rolling through no problem when I initiated it. I need to complete ASAP so it's adding to my frustration. The 'Acct_Num_CH' field is an encrypted field (fyi).

SET rowcount 10000
UPDATE [dbo].[CC_Info_T]
SET [Acct_Num_CH] = 'ayIWt6C8sgimC6t61EJ9d8BB3+bfIZ8v'
WHERE [Acct_Num_CH] IS NOT NULL
WHILE @@ROWCOUNT > 0
BEGIN
SET rowcount 10000
UPDATE [dbo].[CC_Info_T]
SET [Acct_Num_CH] = 'ayIWt6C8sgimC6t61EJ9d8BB3+bfIZ8v'
WHERE [Acct_Num_CH] IS NOT NULL
END
SET rowcount 0

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DB Engine :: Can't Use The MERGE Statement / How To Design WHERE Condition For Insert Statement

Nov 5, 2015

I've have a need with SQL Server 2005 (so I've no MERGE statement), I have to merge 2 tables, the target table has 10 fields, the first 4 are the clustered index and primary key, the source table has the same fields and index.Since I can't use the MERGE statement (I'm in SQL 2005) I have to make a double step operation, and INSERT and an UPDATE, I can't figure how to design the WHERE condition for the insert statement.

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Update Statement Has A Problem Because Of Data Type.

Mar 4, 2008

I have Repeater which has checkbox to delete selected items. 
 Dim strID As String = ""
Dim newStrID As String = ""Dim anItem As RepeaterItem
For Each anItem In Repeater1.ItemsDim chkBoxDelete As CheckBox = anItem.FindControl("Delete")
If chkBoxDelete.Checked Then
strID += (CType(anItem.FindControl("ID"), Label)).Text + ", "
End If
Next
If Len(strID) > 1 Then
newStrID = Left(strID, Len(strID) - 2)
Else
newStrID = ""
End If
 
It's working great, but if I implement it with Update statement, it doesn't work when it has more than one items (it's working fine with one item).
If I just print the statement, it's
UPDATE dbo.mytable SET active='N' WHERE id IN (1, 2, 3, 4)
 
Dim sqlStr As String
sqlStr = "UPDATE dbo.mytable SET active='N' WHERE id IN (" + newStrID + ")"
Dim cmdUpdate As New SqlCommand(sqlStr, conn)
 
I think it's because of data type, since id is Integer and newStrID is string.  What should I do to make it work?
 
Thank you.

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Tuning An UPDATE Statement On A Large Data Set?

May 26, 2004

I'm updating the name data in a large user database with the following UPDATE statement. The staging table was bulk loaded from a flat file and contains 10 million records. The production table (Recipients) contains 15 million records. This worked correctly but this single update statement took an entire ten hours to run which is way too long. While it was running the server was clearly 100% disk bound. CPU activity was near nothing. We've just upgraded RAM from 1GB to 2GB but we expect data sizes to grow significantly and we can't keep adding RAM. Absolutely nothing else is running on this server. Any ideas how I can optimize this?

UPDATE Recipients
SET [First] = Stages.[First]
, [Last] = Stages.[Last]
FROM
Stages
INNER JOIN Recipients ON
(Stages.UserName = Recipients.UserName
AND Stages.DomainID = Recipients.DomainID)
WHERE
(CASE WHEN Stages.[First] IS NULL THEN 1 ELSE 0 END
+ CASE WHEN Stages.[Last] IS NULL THEN 1 ELSE 0 END)
<=
(CASE WHEN Recipients.[First] IS NULL THEN 1 ELSE 0 END
+ CASE WHEN Recipients.[Last] IS NULL THEN 1 ELSE 0 END)

Text execution plan. I've made small annotations with the % information from the graphical execution plan:

|--Clustered Index Update(OBJECT:([Recipients].[dbo].[Recipients].[PK_Recipients]), SET:([Recipients].[First]=[Stages].[First], [Recipients].[Last]=[Stages].[Last]))
|--Top(ROWCOUNT est 0)
|--Sort(DISTINCT ORDER BY:([Bmk1000] ASC))
14% |--Merge Join(Inner Join, MANY-TO-MANY MERGE:([Stages].[DomainID], [Stages].[UserName])=([Recipients].[DomainID], [Recipients].[UserName]), RESIDUAL:(([Recipients].[UserName]=[Stages].[UserName] AND [Recipients].[DomainID]=[Stages].[Domain
25% |--Clustered Index Scan(OBJECT:([Recipients].[dbo].[Stages].[IX_Stages]), ORDERED FORWARD)
61% |--Clustered Index Scan(OBJECT:([Recipients].[dbo].[Recipients].[PK_Recipients]), ORDERED FORWARD)

Everything I've heard on the subject suggests you change the index scans to index seeks. How do I do this?

Any other tuning advice is greatly appreciated.

Here are the exact statements I used to create the tables:

CREATE TABLE Recipients (
ID INT IDENTITY (1, 1) NOT NULL,
UserName VARCHAR (50) NOT NULL,
DomainID INT NOT NULL,
First VARCHAR (24) NULL,
Last VARCHAR (24) NULL,
StreetAddress VARCHAR (32) NULL,
City VARCHAR (24) NULL,
State VARCHAR (16) NULL,
Postal VARCHAR (10) NULL,
SourceID INT NULL,

CONSTRAINT PK_Recipients PRIMARY KEY CLUSTERED (DomainID, UserName)
)

CREATE TABLE Stages (
ID INT NULL,
UserName VARCHAR(50) NOT NULL,
DomainID INT NULL,
Domain VARCHAR(50) NOT NULL,
First VARCHAR(24) NULL,
Last VARCHAR(24) NULL,
StreetAddress VARCHAR(32) NULL,
City VARCHAR(24) NULL,
State VARCHAR(24) NULL,
Postal VARCHAR(10) NULL
)
CREATE CLUSTERED INDEX IX_Stages ON Stages (DomainID, UserName)

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Can An Update Statement Be Used For Interpolating Missing Data?

Jul 23, 2005

Here is a small sample of data from a table of about 500 rows(Using MSSqlserver 2000)EntryTime Speed Gross Net------------------ ----- -----21:09:13.310 0 0 021:09:19.370 9000 NULL NULL21:09:21.310 NULL 95 NULL21:10:12.380 9000 NULL NULL21:10:24.310 NULL 253 NULL21:11:24.370 8000 NULL NULL21:11:27.310 NULL 410 NULL21:11:51.320 NULL 438 NULL21:11:51.490 NULL NULL 10After the first row, every row has only one value of the three.I would like to replace all the NULL values with calculatedinterpolations.I can do it w/ cursors or while loops.I could do it w/ VB (I think)Can this be done w/ an Update statement using self joins?What would be the best way?The value for speed can increase or decrease over time, but can neverbe < 0Net is always less than gross, and neither can go below 0.TIA for any helpful suggestions.Thanks,BM

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Is It Possible To Change The Data Type During An Sql Update Statement?

Jun 13, 2007

Hello,



I have a SQL update statement that updates some user names, however, the user names exceed the length of the data type. Currently, for the column username the data type is set to nvarchar (8).



How can I change that to nvarchar(10) in a SQL Update statement?



Thanks in advance.

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Problem With Data Refreshing After Insert Or Update Statement

Mar 18, 2008

Dear All,

Im using VS2008, visual basic and SQL Server express.

General questions please: Is it necessary, to issue some sort of command, to 'commit' data to a SQL express database after a INSERT or UPDATE sql command?

I'm getting strange behavior where the data is not refreshed unless i exit my app and re-enter. In other words, i can run a sql command , the data is apparantly saved (because i get no errors) then if i refresh a data set or do a sql select query the data that i expect to return is not there.

Im fairly new to SQL express (and SQL server generally) so i dont know if its my coding or i need to switch some 'feature'
on/off or not.

I hope thats clear

Also, could someone point me to documentation that explains each parameter in the connection string

Many Thanks

Chris Anderson


My code is:


ConnectionString = "Data Source=.SQLEXPRESS;AttachDbFilename=C:myfile.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True"

Connection = New SqlConnection

Connection.ConnectionString = ConnectionString

Connection.Open()
'''''''''''''''''the above code is done at the start of my application


'''''''this code below called during application many times


dim sql as string = "my sql string here"

Dim cmd As SqlCommand = Nothing

cmd = New SqlCommand(sql, Connection)






Try

cmd.ExecuteNonQuery()

Catch err As SqlException

MessageBox.Show(err.Message.ToString())

MessageBox.Show(sql, "SQL ERROR: ", MessageBoxButtons.OK, MessageBoxIcon.Error)

End Try



cmd.Dispose()

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Seperate Date And Time Merge; Done At SQL Update Or C# .NET Then Update

Feb 18, 2006

I do realize that his could be posted in a few spots but I think the answer is in the SQL.
I have a ASP.NET page, with a SqlDataSource, Text Box and Calendar Controls. I have the textbox and calendar controls eval'ed to the same sql data source DateTime Field. The text box is formatted eval to small time and the calendars eval has no formatting.
ex:
<asp:TextBox ID="START_TIME" Text='<%# Eval("EVENT_START","{0:t}") %>' runat=server Width=200></asp:TextBox>
I want to merge the two controls; one has the date the other has the time when I update the pages data to the SqlDataSource field EVENT_START. I've tried a couple of methods, but I would like some other opinions. As Sql server only supports date and time together I am storing the two together.
I could merge the two together in the code behind on the update button's event handler or merge the two during the update query using parameters.
Not that I could get an illegal date for the calendar control, but I could get garbage from the textfield time. So I still would have to do validation on the text field before the SQL server could do the update.
There's a few ways to go about this, so I was wondering if anyone else has figured out an elegant way to handle it.
wbochar

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Multiple Tables Used In Select Statement Makes My Update Statement Not Work?

Aug 29, 2006

I am currently having this problem with gridview and detailview. When I drag either onto the page and set my select statement to pick from one table and then update that data through the gridview (lets say), the update works perfectly.  My problem is that the table I am pulling data from is mainly foreign keys.  So in order to hide the number values of the foreign keys, I select the string value columns from the tables that contain the primary keys.  I then use INNER JOIN in my SELECT so that I only get the data that pertains to the user I am looking to list and edit.  I run the "test query" and everything I need shows up as I want it.  I then go back to the gridview and change the fields which are foreign keys to templates.  When I edit the templates I bind the field that contains the string value of the given foreign key to the template.  This works great, because now the user will see string representation instead of the ID numbers that coinside with the string value.  So I run my webpage and everything show up as I want it to, all the data is correct and I get no errors.  I then click edit (as I have checked the "enable editing" box) and the gridview changes to edit mode.  I make my changes and then select "update."  When the page refreshes, and the gridview returns, the data is not updated and the original data is shown. I am sorry for so much typing, but I want to be as clear as possible with what I am doing.  The only thing I can see being the issue is that when I setup my SELECT and FROM to contain fields from multiple tables, the UPDATE then does not work.  When I remove all of my JOIN's and go back to foreign keys and one table the update works again.  Below is what I have for my SQL statements:------------------------------------------------------------------------------------------------------------------------------------- SELECT:SELECT People.FirstName, People.LastName, People.FullName, People.PropertyID, People.InviteTypeID, People.RSVP, People.Wheelchair, Property.[House/Day Hab], InviteType.InviteTypeName FROM (InviteType INNER JOIN (Property INNER JOIN People ON Property.PropertyID = People.PropertyID) ON InviteType.InviteTypeID = People.InviteTypeID) WHERE (People.PersonID = ?)UPDATE:UPDATE [People] SET [FirstName] = ?, [LastName] = ?, [FullName] = ?, [PropertyID] = ?, [InviteTypeID] = ?, [RSVP] = ?, [Wheelchair] = ? WHERE [PersonID] = ? ---------------------------------------------------------------------------------------------------------------------------------------The only fields I want to update are in [People].  My WHERE is based on a control that I use to select a person from a drop down list.  If I run the test query for the update while setting up my data source the query will update the record in the database.  It is when I try to make the update from the gridview that the data is not changed.  If anything is not clear please let me know and I will clarify as much as I can.  This is my first project using ASP and working with databases so I am completely learning as I go.  I took some database courses in college but I have never interacted with them with a web based front end.  Any help will be greatly appreciated.Thank you in advance for any time, help, and/or advice you can give.Brian 

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Merge Statement

Dec 28, 2003

Hello,
I have two tables: Orders and Appoitment. Each order can have up to 2 appointments. Now, I need a SELECT statement that gives me this:

ORDER APPT
1 appt1 appt2
2 appt1 appt2

and not this:

ORDER APPT
1 appt1
1 appt2
2 appt1
2 appt2

In other words, I want to merge the two appointments for each order. I tried using the merge statement but it does not work. Tried to google but saw nothing. My database is SQL server. Please help. Thanks

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How To Use Merge Statement

Aug 31, 2015

We have a current database table (PAF) that had a new column added to it named 'Email'. This table also has some other columns including one named [Employee Number].We also have an Excel spreadsheet that has 2 columns 'Employee Number' and 'E-mail Address'. I need to take the E-mail Address field from the spreadsheet, match it up with the employee number between the spreadsheet and PAF table, and then insert the email address into the database column.I'm guessing I would do this using a MERGE statement, correct?

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Merge Statement

Aug 17, 2006

Is there a merge statement in SQL Server 2000?

I want to combine update and insert statement into single statement as follows.

MERGE INTO MyTable
USING MyTempTable
ON MyTempTable.MatchingField1 = MyTable.MatchingField1
WHEN MATCHED THEN
UPDATE UpdateField1 = MyTempTable.UpdateField1
WHEN NOT MATCHED THEN
INSERT VALUES(MyTempTable.MatchingField1, MyTempTable.UpdateField1)

Currently if I try to run this stmt, it gives error "Incorrect syntax near the keyword 'INTO'."

Thanks

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SQL Server 2012 :: Create Dynamic Update Statement Based On Return Values In Select Statement

Jan 9, 2015

Ok I have a query "SELECT ColumnNames FROM tbl1" let's say the values returned are "age,sex,race".

Now I want to be able to create an "update" statement like "UPATE tbl2 SET Col2 = age + sex + race" dynamically and execute this UPDATE statement. So, if the next select statement returns "age, sex, race, gender" then the script should create "UPDATE tbl2 SET Col2 = age + sex + race + gender" and execute it.

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MERGE Statement Into Two Tables

Aug 21, 2012

I am trying to update values in two tables (approx 1-2 million records).

I have decided to use a MERGE statement, however have been unsuccessful to do so.

Below is an example of the statement.

The error is receive is "Incorrect syntax near '('." right after the MERGE line.

Is it not possible to use this syntax ?

Example:
[CODE]
MERGE
( SELECT a.id, b.id2
FROM TableA A
JOIN TableB B

[Code]....

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SQL Server 2012 :: Update Statement With CASE Statement?

Aug 13, 2014

i was tasked to created an UPDATE statement for 6 tables , i would like to update 4 columns within the 6 tables , they all contains the same column names. the table gets its information from the source table, however the data that is transferd to the 6 tables are sometimes incorrect , i need to write a UPDATE statement that will automatically correct the data. the Update statement should also contact a where clause

the columns are [No] , [Salesperson Code], [Country Code] and [Country Name]

i was thinking of doing

Update [tablename]
SET [No] =
CASE
WHEN [No] ='AF01' THEN 'Country Code' = 'ZA7' AND 'Country Name' = 'South Africa'
ELSE 'Null'
END

What is the best way to script this

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Transact SQL :: Update Statement In Select Case Statement

May 5, 2015

I am attempting to run update statements within a SELECT CASE statement.

Select case x.field
WHEN 'XXX' THEN
  UPDATE TABLE1
   SET TABLE1.FIELD2 = 1
  ELSE
   UPDATE TABLE2
   SET TABLE2.FIELD1 = 2
END
FROM OuterTable x

I get incorrect syntax near the keyword 'update'.

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UPDATE SQL Statement In Excel VBA Editor To Update Access Database - ADO - SQL

Jul 23, 2005

Hello,I am trying to update records in my database from excel data using vbaeditor within excel.In order to launch a query, I use SQL langage in ADO as follwing:------------------------------------------------------------Dim adoConn As ADODB.ConnectionDim adoRs As ADODB.RecordsetDim sConn As StringDim sSql As StringDim sOutput As StringsConn = "DSN=MS Access Database;" & _"DBQ=MyDatabasePath;" & _"DefaultDir=MyPathDirectory;" & _"DriverId=25;FIL=MS Access;MaxBufferSize=2048;PageTimeout=5;" &_"PWD=xxxxxx;UID=admin;"ID, A, B C.. are my table fieldssSql = "SELECT ID, `A`, B, `C being a date`, D, E, `F`, `H`, I, J,`K`, L" & _" FROM MyTblName" & _" WHERE (`A`='MyA')" & _" AND (`C`>{ts '" & Format(Date, "yyyy-mm-dd hh:mm:ss") & "'})"& _" ORDER BY `C` DESC"Set adoConn = New ADODB.ConnectionadoConn.Open sConnSet adoRs = New ADODB.RecordsetadoRs.Open Source:=sSql, _ActiveConnection:=adoConnadoRs.MoveFirstSheets("Sheet1").Range("a2").CopyFromRecordset adoRsSet adoRs = NothingSet adoConn = Nothing---------------------------------------------------------------Does Anyone know How I can use the UPDATE, DELETE INSERT SQL statementsin this environement? Copying SQL statements from access does not workas I would have to reference Access Object in my project which I do notwant if I can avoid. Ideally I would like to use only ADO system andSQL approach.Thank you very muchNono

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JDBC 2005 Update Statement - Failing Multi Row Update.

Nov 9, 2007

It appears to update only the first qualifying row. The trace shows a row count of one when there are multiple qualifying rows in the table. This problem does not exist in JDBC 2000.

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Not Sure If This Would Be A Merge Or An Update...

Dec 28, 2004

Hi, I feel like this should be fairly simple but I just can't seem to get it! I basically want to update multiple records using a sub-query.

I have two tables: objects and temp1. Both have identical column names: Un_ID and SerialNum (one has serial numbers while the other has mostly Null values for the serial numbers). I want to update the SerialNum column in "objects" with the SerialNum column from temp1. The two tables can be linked by un_id's.

Here is my update statement:
UPDATE Objects
SET SerialNumber =
(SELECT SerialNumber
FROM temp1)
WHERE (objects.Un_ID = temp1.un_id)
The error I receive says "column prefix "temp1" does not match a table name or alias name used in the query".

I think the step I am missing is actually liking the two tables in the update statement. Can anyone help?

Thanks in advance!!

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Jul 30, 2007

Hello,

I'm writing a fairly involved stored procedure. In this Stored Procedure, I have an update statement, followed by a select statement. The results of the select statement should be effected by the previous update statement, but its not. When the stored procedure is finish, the update statement seemed to have worked though, so it is working.

I suspect I need something, like a GO statement, but that doesnt seem to work for a stored procedure. Can anyone offer some assistance?

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Select And Insert Statement Merge Together

Jun 9, 2007

is there anyway i can merge select statement and insert statement together?

what i want to do is select few attributes from a table and then directly insert the values to another table without another trigger.

for example, select * from product and with the values from product, insert into new_product (name, type, date) values (the values from select statment)

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Insert Statement With Merge Replication.

Nov 9, 2007

Hello,

i have a little question.
Is it possible you can't perform an insert statement on a table wich is replicated with merge replication?

I set the replication up and everything works fine, but if i want to perfom an insert statement on the table, i get an error that the values i want to add aren't the same as the one in the table.

I know that merge replication creates a new column and I think that's the problem.

Can someone help me solve this or confirm that you can't perform an insert statement on a replicated table?

Masje

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Transact SQL :: Merge Statement Failed

Sep 17, 2015

I have a stored procedure that runs (SQL Server 2012 (SP1) Standard Ed) daily and I never had any problem with this stored procedure. However, there is MERGE statement on the stored procedure and I see an error saying that the MERGE statement failed..Here are the stored procedure and error message: 

-- FlushQueue
CREATE PROCEDURE [dbo].[FlushQueue] (@RowCount as int = 10000)
AS
BEGIN
SET NOCOUNT ON;
SET XACT_ABORT ON;

[code]....

The MERGE statement attempted to UPDATE or DELETE the same row more than once. This happens when a target row matches more than one source row. A MERGE statement cannot UPDATE/DELETE the same row of the target table multiple times. Refine the ON clause to ensure a target row matches at most one source row, or use the GROUP BY clause to group the source rows. [SQLSTATE 42000] (Error 8672).  The step failed.

Table definition:---CREATE TABLE [dbo].[ImportDefinitions]
(
[NodeName] [varchar](20) NOT NULL,
[ProcedureName] [varchar](100) NOT NULL,
[FilePrefix] [varchar](20) NOT NULL,
[ImportDelay] [int] NOT NULL CONSTRAINT [DF_ImportDefinitions_ImportDelay] DEFAULT ((0)),

[code]...

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MERGE Statement - Skipping Locked Records

Aug 27, 2012

skip locked records in a MERGE statement and output the list of skipped records.

Through the documentation, internet posts and testing, I believe it is NOT possible. MERGE acts like a single atomic DML statement, and therefore cannot avoid locked records.

I can use the READPAST hint, which will skip the row-locked records. However, it could actually insert duplicate keys in certain cases (as it is ignoring records, i would guess), which would not be acceptable.

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Transact SQL :: Current Flag On Merge Statement

Nov 12, 2014

I was using Type 2 for one of our Fact table.... and need to put a flag to know which one is the Current record... I couldn't able to figure how to implement logic in the merge statement... This is an example Query ....I was using like this for my fact table...

Basically I need to track CustomerName and City... So I need a Currentflag (Y) for latest record....

MERGE INTO [dbo].[TargetCustomer] AS TRG
USING [dbo].[MyCustomers] AS SRC
ON TRG.[CustomerID] = SRC.[CustomerID]
AND TRG.[CustomerName]=SRC.[CustomerName]
AND TRG.[City]=SRC.[City]

[Code] .....

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Transact SQL :: Insert On Merge Statement Not Working

Oct 7, 2015

In a t-sql 2012 merge statement that is listed below, the insert statement on the merge statement listed below is not working. The update statement works though.

Merge test.dbo.LockCombination AS LKC1
USING
(select LKC.lockID,LKC.seq,A.lockCombo1,A.schoolnumber
from
[Inputtb] A
JOIN test.dbo.School SCH ON A.schoolnumber = SCH.type
JOIN test.dbo.Locker LKR ON SCH.schoolID = LKR.schoolID AND A.lockerNumber = LKR.number
 
[code]...

Thus would you tell me what I need to do to make the insert statement work on the merge statement listed above?

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How To Insert / Update And Delete Without Merge

Feb 18, 2014

How to Insert,Update and delete through script without using merge.I have simple requirement of Deleting,Inserting and Update from one table to other table...Here is the Sample Data

CREATE TABLE #Table1
(ID INT ,Name VARCHAR(30),DATEKEY INT)
INSERT INTO #Table1 (ID,Name,DATEKEY)VALUES (1,'Mohan',20131231)
INSERT INTO #Table1 (ID,Name,DATEKEY)VALUES (2,'Raj',20131231)
INSERT INTO #Table1 (ID,Name,DATEKEY)VALUES (3,'Majja',20131231)
INSERT INTO #Table1 (ID,Name,DATEKEY)VALUES (4,'Majjaa',20131231)

[code]...

So now i need to update 1st record and add another new record..So i need to update as well as delete the existing data in Target table.

INSERT INTO #Table1 (ID,Name,DATEKEY)VALUES (5,'Macha',20131231)

My output should come like this one :

IDNameDATEKEY
1Mohan20131231
5Macha 20131231

with out using merge how can i handle Update,insert and Delete through TSQL

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