Foreign Key From Another Table In A Linked Server
Apr 19, 2008
Hi,
We're having a few linked servers in our company. some tables in one of the linked servers include columns (better saying, foreign keys) of tables in another server. I wonder if there's a way to create a foreign key referencing one columns in another server. That is, suppose there's Column A in table A in Server A which references Column B in table B in server B, is there a way to create column A as foreign key referencing column B?
Any idea is appreciated.
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Apr 19, 2008
Hi,
We're having a few linked servers in our company. some tables in one of the linked servers include columns (better saying, foreign keys) of tables in another server. I wonder if there's a way to create a foreign key referencing one column in another server. That is, suppose there's Column A in table A in Server A which references Column B in table B in server B, is there a way to create column A as foreign key referencing column B?
Any idea is appreciated.
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Jun 21, 2015
Previously same records exists in table having primary key and table having foreign key . we have faced 7 records were lost from primary key table but same record exists in foreign key table.
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Apr 23, 2002
Hello!
I am Paolo, a 3rd year college student taking up computer science. I am currently doing a project as part of my on the job training but am stumped! Maybe you can help! ;)
software used:
Sql Server 2000
The facts:
1. there is a CARS database on server 1 (carId, carDescription)
2. there is an issues and problems tracking database on server 2 (problemId, problemDescription)
3. I am supposed to extend the functionality of the issues and problems tracking database to include the cars. i.e. the database on server 2 should look like: (problemID, problemDescription, carId)
The question:
Is there a way i can put a foreign key constraint on server2's carID so that i can only input carIDs which are in the CARS table on server1?
The only way i can think of is to make a new table in server1 and just drag a froeign key relationship in enterprise manager's designer, but my boss doesnt want to keep both information on the same db!
Any ideas?
Many thanks!
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Jun 13, 2006
I am using SQL Server 2005 and trying to create a linked server on Oracle 10. I used the commands below:
EXEC sp_addlinkedserver
@server = 'test1',
@srvproduct = 'Oracle',
@provider = 'MSDAORA',
@datasrc = 'testsource'
exec sp_addlinkedsrvlogin
@rmtsrvname = 'test1',
@useself = 'false',
@rmtuser='sp',
@rmtpassword='sp'
When I execute
select * from test1...COUNTRY
I get the error. "The OLE DB provider "MSDAORA" for linked server "...." does not contain the table "COUNTRY". The table either does not exist or the current user does not have permissions on that table."
The 'sp' user I am connecting is the owner of the table. What could be the problem ?
Thanks a lot.
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Aug 31, 2005
HiI am creating new SQL Server Tables using SQL Server 2005. I have setprimary key to the tables .But I do not know how to assign Foreign keyto the tables .I need to do some joins later and that is why I have toput Foreign key to the table . The Primary key is visible and can beassigned easily .But How do I assign foreign key .Thanks*** Sent via Developersdex http://www.developersdex.com ***
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Nov 14, 2006
Hi,
I have a new problem when I import data from an xml source file in two destination tables. The two tables are linked by a foreign key... for example :
table MOTHER (MOTHER_ID, MOTHER_NAME)
table CHILD (CHILD_ID, MOTHER_ID, MOTHER_NAME)
After a lot of transformations data are inserted into MOTHER table and I want to insert other fields of the data flow in CHILD table. To do this, I need the MOTHER_ID field that is auto incremented in MOTHER table.
My problem is to chain the insertion in CHILD table after the insertion in MOTHER table to be sure that the relative row in MOTHER table is really inserted. I haven't find any solution to chain another transformation task after my flow destination "Insert into MOTHER table".
The only solution I have found is to create a new flow control to insert data in CHILD table, using a lookup transformation task to bind with MOTHER table... But with this solution all my flow control transforms are made two times...
Is there a solution to chain two insertions with a foreign key constraint in a data flow?
Thanks
Regards,
Arnaud Gervais.
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Oct 2, 2015
In a special request run, I need to update locker and lock tables in a sql server 2012 database, I have the following 2 table definitiions:
CREATE TABLE [dbo].[Locker](
[lockerID] [int] IDENTITY(1,1) NOT NULL,
[schoolID] [int] NOT NULL,
[number] [varchar](10) NOT NULL,
[lockID] [int] NULL
CONSTRAINT [PK_Locker] PRIMARY KEY NONCLUSTERED
[code]....
The locker table is the main table and the lock table is the secondary table. I need to add 500 new locker numbers that the user has given to me to place in the locker table and is uniquely defined by LockerID. I also need to add 500 new rows to the corresponding lock table that is uniquely defined in the lock table and identified by the lockid.
Since lockid is a key value in the lock table and is uniquely defined in the locker table, I would like to know how to update the lock table with the 500 new rows. I would then like to take value of lockid (from lock table for the 500 new rows that were created) and uniquely place those 500 lockids uniquely into the 500 rows that were created for the lock table.
I have sql that looks like the following so far:
declare @SchoolID int = 999
insert into test.dbo.Locker ( [schoolID], [number])
select distinct LKR.schoolID, A.lockerNumber
FROM [InputTable] A
JOIN test.dbo.School SCH ON A.schoolnumber = SCH.type and A.schoolnumber = @SchoolNumber
JOIN test.dbo.Locker LKR ON SCH.schoolID = LKR.schoolID
AND A.lockerNumber not in (select number from test.dbo.Locker where schoolID = @SchoolID)
order by LKR.schoolID, A.lockerNumber
I am not certain how to complete the rest of the task of placing lockerid uniquely into lock and locker tables?
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Sep 21, 2015
I'm working on creating a new version of an existing table. I want to keep the old table around, only with a different name. In looking this up I found there's a system routine named sp_rename, which looks like it will work fine.However in thinking about this I realized that the foreign key constraints defined on the table (there's 3 of them) are likely to not be renamed, correct?
If I'm correct, then I suppose I could rename the table, then drop the 3 foreign key constraints, and create them new using different names for those foreign key constraints.
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Jun 9, 2015
How to copy a table from one server to another server with primary and foreign key constraints.
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Aug 10, 2006
Hi
We used to used Sql Server 2000 DTS to perform daily backups to remote servers very successfully but just cannot do the same with SSIS.
I set my Transfer Sql Transfer Objects Task to use the following settings:
CopyData = true
ObjectsTocopy = All Tables
As soon as it hits a table that has a foreign key, I get the following error:
"Truncate data failed for Table nnn"
I've tried setting DropObjectsFirst = True but this fails too with foreign key violations.
First of all, am I doing something obviously wrong? Is SSIS not smart enough to drop tables in the right order so that we don't get foreign key violations?
Am I totally barking up the wrong tree with this and can anyone suggest a better way of doing remote backups?
Kind regards
Ben
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Jun 18, 2004
Strange one here - I am posting this in both SQL Server and Access forums
Access is telling me it can't append any of the records due to a key violation.
The query:
INSERT INTO dbo_Colors ( NameColorID, Application, Red, Green, Blue )
SELECT Colors_Access.NameColorID, Colors_Access.Application, Colors_Access.Red, Colors_Access.Green, Colors_Access.Blue
FROM Colors_Access;
Colors_Access is linked from another MDB and dbo_Colors is linked from SQL Server 2000.
There are no indexes or foreign contraints on the SQL table. I have no relationships on the dbo_ table in my MDB. The query works if I append to another Access table. The datatypes all match between the two tables though the dbo_ tables has two additional fields not refrenced in the query.
I can manually append the records using cut and paste with no problems.
I have tried re-linking the tables.
Any ideas?
Thanks,
Brad
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Aug 11, 2000
SQL Server 7.0 (SP1)
Error:
------
OLE DB provider 'SQLOLEDB' supplied inconsistent metadata. An extra column was supplied during execution that was not found at compile time.
A column was deleted from the a table on the linked server and now this message appears when using the linked server definition to access the table. Deleting/Recreating the Linked Server has no effect. I found an earlier note on this...but it just kind of ended with no resolution. Anyone have any thoughts on this now.
Thanks for any input.
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Jan 25, 2008
I'm very new to SQL server so forgive me for the newbie questions.
Basically I have some tables/files on an AS/400.
I want to have a link to those files/tables from SQL server 2005 (like how you would link a file in msAccess.
Is this possible?
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Apr 9, 2007
Hello
I have a problem with setting relations properly when inserting data using adonet. Already have searched for a solutions, still not finding a mistake...
Here's the sql management studio diagram :
and here goes the code1 DataSet ds = new DataSet();
2
3 SqlDataAdapter myCommand1 = new SqlDataAdapter("select * from SurveyTemplate", myConnection);
4 SqlCommandBuilder cb = new SqlCommandBuilder(myCommand1);
5 myCommand1.FillSchema(ds, SchemaType.Source);
6 DataTable pTable = ds.Tables["Table"];
7 pTable.TableName = "SurveyTemplate";
8 myCommand1.InsertCommand = cb.GetInsertCommand();
9 myCommand1.InsertCommand.Connection = myConnection;
10
11 SqlDataAdapter myCommand2 = new SqlDataAdapter("select * from Question", myConnection);
12 cb = new SqlCommandBuilder(myCommand2);
13 myCommand2.FillSchema(ds, SchemaType.Source);
14 pTable = ds.Tables["Table"];
15 pTable.TableName = "Question";
16 myCommand2.InsertCommand = cb.GetInsertCommand();
17 myCommand2.InsertCommand.Connection = myConnection;
18
19 SqlDataAdapter myCommand3 = new SqlDataAdapter("select * from Possible_Answer", myConnection);
20 cb = new SqlCommandBuilder(myCommand3);
21 myCommand3.FillSchema(ds, SchemaType.Source);
22 pTable = ds.Tables["Table"];
23 pTable.TableName = "Possible_Answer";
24 myCommand3.InsertCommand = cb.GetInsertCommand();
25 myCommand3.InsertCommand.Connection = myConnection;
26
27 ds.Relations.Add(new DataRelation("FK_Question_SurveyTemplate", ds.Tables["SurveyTemplate"].Columns["id"], ds.Tables["Question"].Columns["surveyTemplateID"]));
28 ds.Relations.Add(new DataRelation("FK_Possible_Answer_Question", ds.Tables["Question"].Columns["id"], ds.Tables["Possible_Answer"].Columns["questionID"]));
29
30 DataRow dr = ds.Tables["SurveyTemplate"].NewRow();
31 dr["name"] = o[0];
32 dr["description"] = o[1];
33 dr["active"] = 1;
34 ds.Tables["SurveyTemplate"].Rows.Add(dr);
35
36 DataRow dr1 = ds.Tables["Question"].NewRow();
37 dr1["questionIndex"] = 1;
38 dr1["questionContent"] = "q1";
39 dr1.SetParentRow(dr);
40 ds.Tables["Question"].Rows.Add(dr1);
41
42 DataRow dr2 = ds.Tables["Possible_Answer"].NewRow();
43 dr2["answerIndex"] = 1;
44 dr2["answerContent"] = "a11";
45 dr2.SetParentRow(dr1);
46 ds.Tables["Possible_Answer"].Rows.Add(dr2);
47
48 dr1 = ds.Tables["Question"].NewRow();
49 dr1["questionIndex"] = 2;
50 dr1["questionContent"] = "q2";
51 dr1.SetParentRow(dr);
52 ds.Tables["Question"].Rows.Add(dr1);
53
54 dr2 = ds.Tables["Possible_Answer"].NewRow();
55 dr2["answerIndex"] = 1;
56 dr2["answerContent"] = "a21";
57 dr2.SetParentRow(dr1);
58 ds.Tables["Possible_Answer"].Rows.Add(dr2);
59
60 dr2 = ds.Tables["Possible_Answer"].NewRow();
61 dr2["answerIndex"] = 2;
62 dr2["answerContent"] = "a22";
63 dr2.SetParentRow(dr1);
64 ds.Tables["Possible_Answer"].Rows.Add(dr2);
65
66 myCommand1.Update(ds,"SurveyTemplate");
67 myCommand2.Update(ds, "Question");
68 myCommand3.Update(ds, "Possible_Answer");
69 ds.AcceptChanges();
70
and that causes (at line 67):"The INSERT statement conflicted with the FOREIGN KEY constraint
"FK_Question_SurveyTemplate". The conflict occurred in database
"ankietyzacja", table "dbo.SurveyTemplate", column
'id'.
The statement has been terminated.
at System.Data.Common.DbDataAdapter.UpdatedRowStatusErrors(RowUpdatedEventArgs rowUpdatedEvent, BatchCommandInfo[] batchCommands, Int32 commandCount)
at System.Data.Common.DbDataAdapter.UpdatedRowStatus(RowUpdatedEventArgs rowUpdatedEvent, BatchCommandInfo[] batchCommands, Int32 commandCount)
at System.Data.Common.DbDataAdapter.Update(DataRow[] dataRows, DataTableMapping tableMapping)
at System.Data.Common.DbDataAdapter.UpdateFromDataTable(DataTable dataTable, DataTableMapping tableMapping)
at System.Data.Common.DbDataAdapter.Update(DataSet dataSet, String srcTable)
at AnkietyzacjaWebService.Service1.createSurveyTemplate(Object[] o) in J:\PL\PAI\AnkietyzacjaWebService\AnkietyzacjaWebServicece\Service1.asmx.cs:line 397"
Could You please tell me what am I missing here ?
Thanks a lot.
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May 6, 2007
Using Microsoft SQL 2000
When creating a table I want to be able to specify not only the db to create it on but also which server to create it on. I have two servers that are linked together, I can view all data without issue.
Doing further research it looks like with the create table command you can tell it the new table name and the database but you can't tell it which server to use. Is there a way of doing this?
Example :
CREATE TABLE LAPTOP.database.dbo.tableName (a INT) gives the following error:
The object name 'LAPTOP.database.dbo.' contains more than the maximum number of prefixes. The maximum is 2.
I am new to linked servers so basically my question is, how do you point to a server within sql before I execute the create table command?
Tx in advance
Mark
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Aug 2, 2005
Hello!Does anybody know how to get tables structure of linked server (DBF tablesvia ODBC connection). I know that table structure of "normal" (not linked)server can get from systables and syscolumns tables, but now I need astructure of linked server tables.Thanks!
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Oct 7, 2005
Trying to do this all day and googling for answers but found none, hopesomeone can help. Thanks in advance.select * intoOPENROWSET('SQLOLEDB','SERVER';'uid';'pwd',##test) from LocalTableReason: I am joining local tables with linked server tables using theformat "LinkedServer.database.owner.object" to execute a query, ittakes forever to execute since the tables joined on the remote servershave more than 50Mil records. I read somewhere that sql server needs tocopy the tables locally to the temp db and does the join there, hence Iwas hoping to dump the data of the local database into a temp table onthe remote server and then do a join with OPENQUERY, which will executethe query on the linked server and return the results.
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May 15, 2006
Can one use Truncate Table on a linked server table? When I try it, I get amessage that only two prefixes are allowed. Here's what I'm using:Truncate Table svrname.dbname.dbo.tablename
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Oct 23, 2006
Insert statement to remote server is running very slowly. I have run Profiler and find there is a 'sp_cursor' call for each row. The source system is SQL2005 and destination is SQL2000(sp4). The linked server is using 'SQL server' type connection. Source query is against a single table with a where clause. source and destination table are identical with Primary keys. Purpose is just to move the rows. Connection is a slow network connection - should be ok. I have already overcome same problem for related update and delete queries by use of 'EXECUTE (query) AT LinkedServer' that works great - but insert can not take advantage of this...
INSERT [LinkedServSQL2000sp4].dbname.schema.tablename
({column list})
Select
{column list}
from tablename
WHERE col1 = '7/20/2006'
AND col2 in (2,5,7,12,32,54,45,33)
Any thoughts?
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Aug 28, 2014
I was trying to figure out what the OPENQUERY Syntax is to Insert into SQL Server Table from Oracle Linked Server.
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Jan 15, 2004
Hi,
I would like to join two tables: one on a local server which I have admin access to and another server which I only have read access. The local table is very small, but the remote table is very large.
If I look at Query Analyzer's execution plan, it appears that the join will be done locally (i.e. the entire table is transferred from the remote server and then joined to my local table). Is there a way to create a temp table using linked servers, transfer my small local table to the remote server and then perform the join on the remote server? In the past, I have been able to use openquery to restrict the data to a small subset that is transferred but the local table is a little too large for that.
I appreciate any advice / guidance anyone can offer me!
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Nov 19, 2013
I wonder if it possible to move data from tables on a linked server to a "normal database"?
Name linked server: Covas
Name table on linked server: tblCountries
Name field: cntCountryName
Name "normal" database: CovasCopy
Name "normal" table: Countries (or dbo.Countries)
Name "normal" field: Country
This is just a test setup. I figure that if I get this working the rest will be easier.
My current query:
select * from openquery(COVAS,'
INSERT INTO CovasCopy.dbo.Countries(Country)
SELECT cntCountryName FROM db_covas.tblCountries;')
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Nov 28, 2006
I want to make a query, stored procedure, or whatever which will only display the primary key where there does no exist a foreign key in linked table.For example. If I had two tables with a one to many relationship.A [Computer] has one or more [Hard Drives]. I want to select only those computers which do not have a Hard Drive(s) associated with them. That is, show all computers where the Computer_ID field in the [Hard Drives] table does not exist. This seems simple but I'm drawing a blank here.
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Jun 29, 2015
I need to delete records from a table (Table1) which has a foreign key column in a related table (Table2).
Table1 columns are: table1Id; Name. Table2 columns include Table2.table1Id which is the foreign key to Table1.
What is the syntax to delete records from Table1 using Table1.Name='some name' and remove any records in Table2 that have Table2.table1Id equal to Table1.table1Id?
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Feb 17, 2004
Hi,
I'm trying to copy all the data from a single table across to a remote linked server and I'm having all sorts of problems.
The SQL query I'm attampting is this:-
Code:
EXEC sp_addlinkedserver 'GODZILLA', N'SQL Server'
EXEC sp_addlinkedsrvlogin 'GODZILLA', 'False', 'rmtUser', 'lclUser', 'password'
Go
--DELETE TABLE
DROP TABLE GODZILLA.Racing.dbo.horse
--SELECT INTO
SELECT horse_id, horse_filename, horse_time, horse_new, horse_driveLetter
INTO GODZILLA.Racing.dbo.horse
FROM Racing.dbo.horse
EXEC sp_droplinkedsrvlogin 'GODZILLA', 'lclUser'
EXEC sp_dropserver 'GODZILLA'
Basically - this doesn't work as an error is returned:-
Code:
The object name 'GODZILLA.Racing.dbo.' contains more than the maximum number of prefixes. The maximum is 2.
Now - it has no problem running a SELECT (ie read-only) query from the remote DB but why does it have a problem with writing? And if thats the issue, why doesn't it say so. Am I going about this the right way???
Please help!
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Feb 2, 2005
Hi,
I am trying to use linked tables to connect SQL Server 2000 to a legacy system using dbase III files. (I need real time read only access to these files)
I have created a linked table from SQL server to a folder on the C drive which contains the dbase III files, using an ODBC DSN which uses "Microsoft dbase driver (*.dbf)". DSN tested successfully using Excel. Linked server connection is then created using "Microsoft OLE DB Provider for ODBC drivers".
The dbase tables appear OK in Enterprise manager, but I cannot get a query to work in SQL Anayzer, using the 4-part name syntax.
My query is just :
SELECT * FROM LinkedTable...customers
Error message is "Invalid schema or catalog specified for provider 'MSDASQL'". Now I am pretty sure dbase files do not support any sort of schema / catalog set up, so I suspect SQL Server is looking for something it is not going to get.
One clue might be that in Enterprise manager, under the catalog column, I get the pathname to the dbase file, ie c:customers.dbf, which I cannot enter in the 4-part syntax.
Any suggestion welcome !!!
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Apr 11, 2007
Hello
I have a local SQL2005 server with a linked SQL2000 server. I would like to know how to create a temporary table in the remote server in such a way that I can make an inner join as follows; my idea is to optimized a distributed query by doing so:
create table #myRemoteTempTable
insert into #myRemoteTempTable
select * from myLocalTable
update myRemoteTable
set
Value=#myRemoteTempTable.Value
from myRemoteTable
inner join #myRemoteTempTable on #myRemoteTempTable.ID=myRemoteTable.ID
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Jul 13, 2015
I'm running SQL Server 2008 (x64) version.
How can i create a linked server for Microsoft Visual Foxpro databases ?
I'm using Microsoft.ACE.OLEDB.12.0 driver.
I success create a linked server, and can browse all tables from linked server connections, but why when query data using
SELECT * FROM OPENQUERY(PIP_TEST,'select * from tbctrl')
It getting error message
Cannot process the object "select * from tbctrl". The OLE DB provider "Microsoft.ACE.OLEDB.12.0" for linked server "pip_test" indicates that either the object has no columns or the current user does not have permissions on that object.
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Jul 31, 2015
We have 2 instances. One is sqlgpscluster and another is [sqlcdsclustersqlcds]. We have created linked server between sqlgpscluster and [sqlcdsclustersqlcds]. We run the below query on sqlgpscluster instance
UPDATE [sqlcdsclustersqlcds].CDSBusiness.dbo.tblInsertNowAppMonitoring
SET NoCabsDateTime = GETDATE(),City=@City
,Area = dbo.fn_FindAreaSubAreaBasedOnLatLong(@PickUpLat,@PickUpLng)
WHERE CustomerMobileNo=@CustomerMobileNo
We are seeing the below error:
The OLE DB provider "SQLNCLI" for linked server "sqlcdsclustersqlcds" could not UPDATE table "[sqlcdsclustersqlcds].[CDSBusiness].[dbo][tblInsertNow AppMonitoring]". The rowset was using optimistic concurrency and the value of a column has been changed after the containing row was last fetched or resynchronized.
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Apr 16, 2007
I have created a linked server using my local SQL2005. The linked server can be seen as a linked server, but the database can not been expanded to see the tables, stored procedures, views, and other details regarding the linked server. The only method that I have found that will allow me to see all the details is to use XP's Remote Desktop Connection to access the database. Has anyone else experienced this problem, if so, how did you resolve it?
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Aug 23, 2006
Here is my issue I am new to 2005 sql server, and am trying to take my old data which is exported to a txt file and import it to tables in sql. The older database is non relational, and I had made several exports for the way I want to build my tables. I built my packages fine and everything is working until I start building relationships. I remove my foreign key and the table with the primary key will get updated for the package again. I need to update the data daily into sql, and once in it will only be update from the package until the database is moved over.
It will run and update with a primary key until I add a foreign key to another database.
Here is my error when running the package when table 2 has a foreign key.
[Execute SQL Task] Error: Executing the query "TRUNCATE TABLE [consumer].[dbo].[Client] " failed with the following error: "Cannot truncate table 'consumer.dbo.Client' because it is being referenced by a FOREIGN KEY constraint.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
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Feb 2, 2015
I have multiple linked servers and trying to find if a table (approximate table name) exists in one of the linked servers.
I have a code to find it in local DB....how can I modify to include all linked servers as well:
ALTER PROCEDURE [dbo].[FindTable]
@TableName VARCHAR(256)
AS
DECLARE @DBName VARCHAR(256)
DECLARE @varSQL VARCHAR(512)
[code]....
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