Querying Multiple Databases
Sep 21, 2006
Hello,
This is probably a simple solution but I'm a bit confused about which flows to use.
I have two databases on different servers that contain the same information but for the appropriate server. I want to retrieve data from each of the servers using a "select" statement.
Would I use a ForLoop and change the connection in a Script Task and then execute the SQL statement? Or can a ForEach Loop be used, but I'm not sure which type of enumerator.
Thanks for any help you can give.
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Dec 10, 2007
Dear Readers,Is it possible, like in Access, to link to tables in other SQL databases that are on the same server? I have a query that I originally had in Access that queered from multiply databases. It did this by having those other tables in the other databases linked to the database that had the query.
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Feb 7, 2007
Hey there!
I'm not sure how to explain this but here goes...
I'm a bit stuck, a new project that's come about "requires" me to query multiple databases as if they were tables.
1 Oracle database which stores information on our staff (this database is a part of some MIS software and can't be changed in any way)
1 SQL Server 2005 database which stores information on staff sickness
Basically say theres 1 table in each database
Oracle DB
People
Person_Code
Forename
Surname
SQL DB
Sickness
Person_Code
Daydate
Lets say the query I want to perform is to select all the records from sickness where person code is 22334 and also get their name from the other db, so the output may look like
22334 Dann Rees 01/01/2007
22334 Dann Rees 03/01/2007
22334 Dann Rees 10/02/2007
Now I realise I can write a quick function to pull the information but this is just a basic example. Effectivley what I "need" is to be able to query sickness while sub querying people to get the names, or some kind of pass through query?
Please remember this is just a very simple example and the "actual" queries will be far more complicated, for instance finding all the employees of a certain department who is male and was sick in January. All the data for that example is stored in people (oracle) except for the dates which is stores in sick (SQL 2005). Now these are easy enough if they were tables in 1 database....but their not, their tables in 2 databases, and theres nothing I can do to change that :(
All help appreciated as this is becoming very urgent.
Many thanks
Dann
(I couldnt post this in the General data access forum for some reason)
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Jul 23, 2005
Hi;I am looking for suggestions about how to solve a problem using tsql.I have been asked to create a report concerning 4 tables.Each of the 4 tables is in its own database.The 4 tables are identical in name and structure.I would like to query all 4 of these tables and get the results as ifthey were one table.All suggestions welcome, thanks.Steve
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Apr 21, 2007
Hi All,
I am very new to sql and I am not really sure of what I am doing.
I have a bit of a complicated stored procedure that I am trying out. There is 3 parts to it to search for new articles,updates and discontinued articles for a particular Supplier. Right now I am just trying to get the first part working - I am trying to query another database that has 4 tables, 2 are joined ActiveArticle & ActiveArticlePrice and the other 2 are also joined UpdateArticle & UpdateArticlePrice. But all tables also hold data for ALL Suppliers, they are recognised by a GUID - SupplierGuid.
I want to compare them to each other to see if there are any new articles added to the Update tables. This is what I have so far, I was hoping someone could tell me if they see some obvious mistakes(I'm sure theres many!). For the first select, I tried adding a couple of parameters Flag and Text to use so that I can order it all once i have the 3 parts working. But I don't know the syntax is right, because then I also want to select all fields in both tables?.
CREATE PROCEDURE Portal_GetPriceListUpdates
(
@SupplierGUID uniqueidentifier
)
AS
SELECT 'A' AS FLAG, 'New Product' AS TEXT, * FROM SupplierUnits.UpdateArticle UA, SupplierUnits.UpdateArticlePrice UAP WHERE EXISTS
(SELECT * FROM UA, UAP WHERE UA.SupplierGuid=@SupplierGUID AND UA.SupplierArticleNumber NOT IN (SELECT SupplierArticleNumber FROM SupplierUnits.ActiveArticle.SupplierArticleNumber))
GO
I would appreciate any help!
Thanks,
pp
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Jan 10, 2007
Hi,I'm having two databases in the name of n1,n2 having same designI want to query both the databases by giving the database name in queryDatabasesN1N2Table(both database contains same table)DetailTable detailsNo -intName -varchar(10)Now i want to check the detail table in both n1 and n2 using the selectqueryFor that I have written query it is not workingselect * from N1.DetailSelect * from N2.DetailThe above query is not working in query analyser,I'm getting error as"Invalid object name"In query analyser the Northwind database is currently selected, anywayI have given the database name it has to query from N1 database. How touse a select query with database name?Mani
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Oct 24, 2005
Hi,I need to run a query that gets an ID from one database table and then matches it to another table in a different database, is a query of this type possible if so how?Thanks,drazic19
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Jun 16, 2014
My query pulls data from two separate databases, and it runs extremely slow. The queries run well when they are pulling from their own database. When I join them to pull from both databases.
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Jul 23, 2005
I know that a heterogeneous query joining tables from two different servershas performance penalties but is the same true when joining tables from twodifferent databases on the same SQL Server 2000 instance?We are looking at setting up a Data Warehouse using DTS on a SQL Server boxand I'm wondering about the best way to logically set it up; i.e. one bighonking db or several dbs determined by some logical organization. With thelatter there will still be some queries that would need data from more thanone db and I'm wondering if that will have worse performance than if theywere all in one db.I thought that was the case in older versions of SS, but I couldn't findanything in 2000's BOL that indicated a problem with that.TIA
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Jul 20, 2005
Hello,I am quite new to ms-sql and I have a problem : I want to create an SQLrequest which would copy serveral records from a table in a given databaseto another table (with exactly the same structure) in another database(theses two tables and databases already exist).Could you please tell me how to do this ? I dont know how to access twodifferent databases in a single SQL request.Thank you for you help.
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Nov 15, 2006
Hi all,
How do I query two tables in different databases on the same SQL Server?
In short, I want to do:
Select A.*
from database 1. table 1 as A
inner join database 2. table 1 as B
on A.COL1 = B.COL1
Both database 1 and 2 are on the same SQL Server.
Please advise.
Thanks,
V
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May 31, 2007
I am trying to query the Topics in my discussion forum...The Topic contains a "last_poster_id" and a "author_id" I need the username and userid for both "last_poster_id" and "author_id" in the table "aspnet_Users"How do I do this?I would guess I need to use sub select statements. Can someone help me?
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Dec 13, 2007
Hi all,
lets say i have a table as follows
id name1 red2 orange3 green
and this has s join to another table via the id
table2
id event 1 stop2 stop3 start
now if i make a view and drop these two tables the jkoin is there but i would liek to report on all names who have a event of "go"but it gives me no results , which is right . but how can i output all the names and in the evnet put a empty SO
name eventred emptyorange emptygreen empty
thanksrobby
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Mar 4, 2007
Hi all. I have the problem on query.
This is my query.
select D.fullname, P.religion, E.empno from pspersonaldata as P
inner join hremployees as E on P.dcno = E.empdcno
inner join psdatacenter as D on D.dcno = E.empdcno
where P.religion in ('Born Again','Baptist', 'Catholic')
How could I make a query that returns a result for either "Born Again, Baptist, or Catholic". The parameter would depend on the input of the user depending on how many religion the user inputed.
If the user inputed Born Again and Baptist, the result is the employees that have a religion of Born Again and Baptist.
Thanks
-Ron-
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Nov 27, 2007
Hi,
I want to perform a join on two tables from two separate database servers.
Code Block
SELECT *
FROM tbl1 AS t1
INNER JOIN
"SERVERASQL2000".Production.tbl2 AS t2
ON t2.UserID = t1.UserID
Why do I get this error...
Invalid object name 'SERVERASQL2000.Production.tbl2'
thanks.
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Jul 23, 2005
Hello,I am relatively new to doing non-trivial SQL queries.I have to get data out of 8 diff views based on a parameter Name.There is a view having name-ssn pairs. All other views have SSN field.For a person there MAY NOT be data in all the views.I have to populate data into diff tables in a Report from differentviews.I would like to know what is the best way to approach it.So far I was trying an Inner join from the Name-ssn vies to all otherviews based on the SSN and test for the name field with the inputparameter.I am thinking there will be problem of Cross join if I dont have datain all views about a person.Or the best way is to write query for each view and have all of them ina stored procedure ?Any help will be appreciatedThanksBofo
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Jan 4, 2004
I am trying to query multiple tables that have the same column. They are a supposed to be a unique ID to the product, but not to the database. I have a primary key already set to each othe tables. The tables do not share anything between them, but i would like to search for these IDs in other tables before my insert command is executed. I am writing my code in VB. example of what i am trying to accomplish.
Table1 = TVs
ID/SKU_ID/Manufacturer
1 87654 Samsung
Table2 = DVD_Players
ID/SKU_ID/Manufacturer
2 765234 Kenwood
I want to search for SKU_ID in multiple tables( I think a total of 9 tables). I want to search between tables to catch for the same SKU_IDs. and if it finds it, raise error. I will be able to figure the vb.net portion. I just dont know how to go about the sql query portion. Thanks in advance and appreciate any help. Thanks!
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Jul 20, 2005
Folks,While I still have some hair left, can someone help me with thisquery?I have a table "TestRunInfo". Amongst other fields there are"TestRunIndex" (Pri Key), "TesterID", "Duration", and "Status".The Status field links to a Status table, which links the index valueto a more meaningful label "Pass", "Fail" etc...As you may have guessed, there is a record for each test that anindividual tester runs, and with that record is a duration, and status(1,2,3 etc).What Im trying to do, is create a datasheet view, with a single rowfor each testerID, summarising that Testers work as follows:TesterID, Total Duration, Count of passed tests, Count of failed testsSo far I have:Select TesterID, sum(Duration), count(Status) FROM TestRunInfo GROUPBY TesterIDBut this of course purely gives the total number of tests run by thatengineer as the count. I need to break it down. Help? Someone?Please?!?!?TIASteve
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Jun 11, 2007
Hi, all.
I have a question about how you would design this. I have to return a list of projects in a stored procedure with a statement like this:
SELECT ProjectID, ProjectName FROM PROJECTS;
This populates a DropDownList with all possible projects. When the user selects one, I need to find out more information about that project, like this:
SELECT a.ProjectID, a.ProjectName, b.OtherStuff FROM PROJECTS a INNER JOIN OTHERSTUFF b on a.ProjectID = b.ProjectID;
In the old ASP world, we just filled the ProjectID parameter with NULL if we wanted to return all results, and the stored procedure was set up to dynamically return results based on whether that parameter was NULL or not.
I'm looking for a more elegant way to do this. I can use two stored procedures, but I'm not sure what to name them. Obviously, I could call one 'SelectProjects' and the other 'SelectProject', but that just doesn't seem elegant enough. Anyone have any other ideas?
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Jul 24, 2015
I'm trying to create an email report which gives a result of multiple results from multiple databases in a table format bt I'm trying to find out if there is a simple format I can use.Here is what I've done so far but I'm having troble getting into html and also with the database column:
EXEC msdb.dbo.sp_send_dbmail
@subject
= 'Job Summary',
@profile_name =
'SQL SMTP',
[code]....
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Sep 13, 2007
Hi,
I'm trying to create a database that takes specific information from a number of databases on different servers to make some reporting that we have much easier.
I'm pretty new to SQL so I'm not sure of the best way to proceed. I read an article that suggested I use the OPENROWSET command. The problem is, the version of SQL that came with one of the programmes we use is limited and will not allow you to turn on the allow "Ad Hoc distributed Queries" so the SLQ statement will not execute.
I'm confused why it won't let me to connect through ODBC as I've created a web page that selects data from this database with no problems!
Here is the SQL statement that I've written to make sure it is the correct one (on the msdn library page it said that this was the ODBC connection):
SELECT a.*
FROM OPENROWSET('MSDASQL','DRIVER=(SQL Server);SERVER=APPOLOACT7;UID=sa;PWD=***************',
'SELECT * FROM MDCTestAndDev.dbo.TBL_CONTACT') AS a
I've also created the ODBC connection using the tool on Administration Tools>Data Sources ODBC
Any help would be greatly appreciated (also any ways of selecting from one database and inserting it into another will be helpfull)
Thanks
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Nov 15, 2006
Hi!
I have 7 source databases and one target database, all using the same structure. The structure is made of 10 tables, with foreign key constraints.
I need to merge the source databases into the target (which won't have any data before that process, but will already have the correct schema), and to keep the relationships between the records.
I know how to iterate over the source databases (with SMO foreach), but I'd like to know if someone can advise the best copy method for that context in SSIS ? (I don't want to keep the primary keys, but I need to keep the relationships...)
Any pointer most welcome!
best regards and thanks
Thibaut
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Aug 14, 2012
I am trying to restore multiple .bak backup SQL database files onto a new server. However, I have found that it will not allow me to restore multiple databases at once. Is there a way to do this so that I do not have to manually upload one at a time? I tried adding all the .bak files at once to the backup device window but it only did the first one listed. It would be so much easier to restore them all at once so that I do not have to continue this manual process. I am restoring them via device.
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Jan 29, 2014
I'm fairly new to SQL and am just setting up a Windows 8 app using an Azure SQL server. The issue I have is looking up a part number supersession and getting the latest number. One part number can have multiple supersessions (ie RTC5756 > STC8572 > STC3765 > STC9150 > STC9191 > SFP500160 ).The data I am supplied monthly has both the superseeded items and the supersession information in both columns and is not easy to decipher - for example:
Supersessions Table
----------------------
RTC5756 | STC9191
SFP500160 | STC9191
STC9191 | STC2951
STC3765 | STC9191
STC8572 | STC9191
STC9150 | STC9191
[code]...
The newest part number is kept in a separate table - called "source" - which in this instance is SFP500160. I need access to the latest part number but also to the part's previous numbers, due to the fact that some people may still be stocking them as an old part number and for them to search by. Is there an easy and efficient way of doing both a lookup for the supersessions and a join on the two tables to minimize the queries on the database?
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May 23, 2008
Hello,
I am in the progress of designing a new section of my database and was thinking of creating a hole new database instead of just creating tables inside the database. My question is can you JOIN multiple tables in an SQL Statement from multiple databases. Ie, In the Management program I have a database called 'Convention' and another one called 'Services', inside the two databases there are many tables. Can I link say tblRegister from Convention to tblUser in Services?
Thanks
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Jul 8, 2004
Is it possible to retrieve Data from SQL Database #1 and insert it into SQL Database #2 using a Stored Procedure? Thanks. If so Can you show example. Thanks
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May 18, 2007
Hi All
I have a question about having one or multiple databases for a large project. What are the main differences between designing my database as one or breaking in to multiple databases. I should mention that there are many relationships between tables in different DBs in the multiple DBs state?
regards
sasan
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Jul 16, 2007
Hi all:I am trying to create a website which will search and return results that are from multiple tables in different databases. I have the code to search a singular database right now, and I tried to make a connection to a second one, which worked, but I don't know how to send the proper sql commands to the second database or how to link them in the code. Does anyone have any pointers on creating a site which will search different tables in different databases with a known connection between databases? Any help would be really really really really appreciated.-Shrey
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Nov 11, 2007
How can I include tables and views from database A when building a view in database B, if possible?
Same for stored procedures.
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Dec 23, 2005
so, I am trying to write an sql that requires information across two
different database. It's under the same sql server. However, the
location of the tables are from different database.
Any links I can read about that can show me how to write the queries?
Thanks in advance, and merry X'mas.
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Jun 14, 2001
We have a number of databases(on sqlserver 7.0) which has the same structure but with data for different users. We would like to change the structure of the databases with minimum effort and with minimum down time.
Is there any method to automate the change so that the change is reflected in all the databases when a single database structure is changed?
Any suggestions in this regard are welcome and urgent
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Nov 1, 2000
Okay this is a test...actually I am still learning SQL and need some help. Does anyone have any information on being able to move indexes from one database to another. My scenario is I have 3 databases, Development, QA and Production. I want to move/copy indexes I created in Development to the QA database. I have many indexes so I do not want to have to recreated them if I can avoid it. Any suggestions?
Thanks!
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Apr 5, 2004
Hi,
Currently developping a c# database based application, which will be used in different establishments worldwide. I'm currently a bit confused by the ms sql features offered. Because the huge data amount which will be fetched during application use from the database, the best option is probably to put a ms sql server in each establishment to realise quick data fething. Problem is that the servers, which are all running on the same database design have to be synchronised real-time. I read about datareplication with the merge option which I thought was a nice solution. The subscribers can only have read-only rights on these subscriber databases, because the merging doesn't work appropriate i heard, so this is no good solution. Then I read about distributing transaction coordination. Seems a good solution as well, but what happens if a server system crashes for one day and then comes back online? It won't be up to date anymore... Right now I think about a combination of these 2 features. DTC in combination with merge replication, but there must be a better solution. Fact is that a lot of users will be editing data worldwide non stop, and everyone has to be up to date. Because of huge data fetching I don't think it's a good solution to let everyone work worldwide with one single database. Is there a possibility to realise this with ms sql server? Because I'm getting more and more confused... Thx in advance.
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