I am a complete beginner to SQL Server, and I have reached my limit.
Currently I am using a script to update a table from another table using a column. Since both databases are assigned to 2 different 3rd party software, I created a .bat script to use for task manager in windows server, that way it can update every 10 minutes.
While this is tested and works, I feel there has to be a way to create a relationship between the two databases without having to use the task.
UPDATE therefore.dbo.thecat51
SET num_factura =
(SELECT therefore.dbo.documentos.num_factura
FROM therefore.dbo.Documentos
WHERE therefore.dbo.thecat51.num_albaran=therefore.dbo.documentos.num_albaran)
WHERE therefore.dbo.thecat51.num_albaran =
( SELECT therefore.dbo.documentos.num_albaran
FROM therefore.dbo.Documentos
WHERE therefore.dbo.thecat51.num_Albaran = therefore.dbo.documentos.num_albaran)
Also, we are using SQL Server Express, so I don't have the option to create a scheduled job.
You can do the UPDATE with an INNER JOIN to perform the update you need:
UPDATE A SET
num_factura = B.num_factura
FROM therefore.dbo.thecat51 A
INNER JOIN therefore.dbo.Documentos B
ON A.num_albaran = B.num_albaran
Use an INNER JOIN between your two tables. At the time I posted this, you had not told us which RDBMS you are using so I will give answers for SQL Server and MySQL:
SQL Server:
UPDATE t1
SET t1.num_factura = t2.num_factura
FROM therefore.dbo.thecat51 AS t1
INNER JOIN therefore.dbo.Documentos AS t2
ON t1.num_albaran = t2.num_albaran
MySQL:
UPDATE therefore.dbo.thecat51 AS t1
INNER JOIN therefore.dbo.Documentos AS t2
ON t1.num_albaran = t2.num_albaran
SET t1.num_factura = t2.num_factura
Related
I am trying to recreate a query that was done in MS Access, and now is being handled in a SQL Server environment. I understand that some of the SQL syntax is different in Access than it is in SQL Server. Is there somewhere online that points out the main differences, or will help translate one to the other?
This is a query that I need to update to use in SQL Server:
UPDATE
dbo.TPR00100
INNER JOIN (
dbo.UPR10302
LEFT JOIN dbo.B3980280 ON dbo.TPR10302.COMPTRNM = dbo.B3980280.COMPTRNM
) ON dbo.TPR00100.STAFFID = dbo.TPR10302.STAFFID
SET
dbo.B3980280.COMPTRNM = dbo.TPR10302.comptrnm,
dbo.B3980280.BI_LOC_ID = dbo.TPR00100.locatnid
WHERE
(((dbo.B3980280.COMPTRNM) Is Null))
What are they key aspects that need to be handled differently in a SQL Server transaction for this query?
If find it handy to use an updateable CTE for this:
with cte as (
select
b39.comptrnm b39_comptrnm
b39.bssi_loc_id b39_bssi_loc_id,
tpr.comptrnm tpr_comptrnm,
tpr.locatnid tpr_locatnid
from dbo.tpr00100 tpr
inner join dbo.upr10302 upr on tpr.staffid = upr.staffid
inner join dbo.b3980280 b39 on tpr.comptrnm = b39.comptrnm
where b39_comptrnm is null
)
update cte
set b39_comptrnm = tpr_comptrnm, b39_bssi_loc_id = tpr_locatnid
Note: I am not really sure why the table to update is left joined in the original query, so I turned it to an `inner join .
Trying to connect two active DB for reporting both running SQL. Recently migrated several customer groups to the new DB but now need to run comparative historical reports. How do I get all data from both db, joins filter out newly added customers on either side based on the join used. Is this possible?
If they are on two separate servers, you will need to link the servers to each other first. This link should set you in the proper direction. Then you need to reference them using 4-part BOL:
SELECT T1.*
FROM [Server1].[Database1].[dbo].[Table1] T1
LEFT JOIN [Server2].[Database2].[dbo].[Table1] T2
ON T1.MyField = T2.MyField
If they are on the same server, you only need to add the database name to your SQL code. So, if you're trying to link data from Table1 in Database1 to Table1 in Database2, you would do this:
SELECT T1.*
FROM [Database1].[Table1] T1
LEFT JOIN [Database2].[Table1] T2
ON T1.MyField = T2.MyField
I am trying to update a table from another database using joins and having a hard time. This is what I am trying to do in pseudo:
UPDATE [Database1].[dbo].[Sessions]
SET [SpeakerID] = ?STATEMENT1?
WHERE ?STATEMENT2?
For "Statement1", this would be coming from another database and table that has columns: SessionID and SpeakerID. How can this be achieved?
UPDATE a
SET a.SpeakerID = b.colName -- SET valoue here
FROM Database1.dbo.Sessions a
INNER JOIN Database2.dbo.Sessions b
ON a.SessionID = b.SessionID -- assumes that their
-- relationship column is SessionID,
-- change it in your original columnName
WHERE ....
a and b are called alias. They are useful when you have longer source name.
UPDATE L
SET SpeakerID = R.SpeakerID
FROM dbo.LocalTable AS L
INNER JOIN RemoteDatabase.dbo.RemoteTable AS R
ON L.SomeValue = R.SomeValue;
This really is no different from this problem except you have to add a database prefix to one of the tables in the join.
try
UPDATE [Database1].[dbo].[Sessions]
SET
Sessions.col1 = other_table.col1
FROM
[Database1].[dbo].[Sessions] Sessions
INNER JOIN
[Database2].[dbo].other_table AS other_table
ON
Sessions.id = other_table.id
WHERE Sessions.id = ??
Note if the database is on another server you will need to create a linked server first
http://msdn.microsoft.com/en-us/library/ff772782.aspx
Could really use some help with an update query...(SQL Serer 2008 R2 Express)
I have two tables, tblJP and tblMaster.
I only have a string field that matches between the two tables.
tblJP AND tblMaster
I need to update tblJP.LangString with tblMaster.Long_text when
tblJP.short_text = tblMaster.short_text AND tblMaster.Lang = 'jp'
Any help would be greatly appreciated. I am spinning my wheels trying all sorts of logic and syntax from creating temp tables to other types of joins all with no luck.
A simple update with an INNER JOIN should do the trick.
UPDATE tblJP
SET tblJP.LangString = tblMaster.Long_Text
FROM tblJP
INNER JOIN tblMaster ON tblMaster.alt_text = tblJP.short_text
WHERE tblMaster.Lang = 'jp'
WARNING: Never run an update statement against your production server without first testing it against a development server - especially when someone else wrote the SQL.
You could also use MERGE
MERGE INTO tblJP
USING (SELECT *
FROM tblMaster
WHERE Lang = 'jp') AS SOURCE
ON SOURCE.alt_text = tblJP.short_text
WHEN MATCHED THEN
UPDATE SET LangString = SOURCE.Long_Text;
In the event that the JOIN returns multiple rows you will be alerted to the problem with an error The MERGE statement attempted to UPDATE or DELETE the same row more than once.
This question already has an answer here:
How to do Sql Server CE table update from another table
(1 answer)
Closed 7 years ago.
How to Updating Rows Based on Multiple Tables in SQL Server Compact Edition ?
I have two tables in a database. ActivatedProducts and DocumentSettings.I added new column (UID) in DocumentSettings table,i want to put that UID data from ActivatedProducts (ID) Table with respect to ProductID from ActivatedProducts table
following query's also not working please help me
UPDATE DocumentSettings
SET UID =
(
SELECT ActivatedProducts.ID
FROM ActivatedProducts
WHERE DocumentSettings.TitleID = ActivatedProducts.ProductID
)
UPDATE A
SET A.UID = B.ID
FROM DocumentSettings A, ActivatedProducts B
WHERE A.TitleID = B.ProductID
UPDATE DocumentSettings
SET [UID]=AP.[ID]
FROM DocumentSettings DS
INNER JOIN ActivatedProducts AP ON DS.[Titleid]=AP.[ProductID]
The last time I checked, SQL Server CE still does not support UPDATE-FROM-JOIN syntax. All 3 you have shown will work in Sql Server proper, but in CE, you will need to programmatic-ally retrieve each value for updating in a loop.
Reference: UPDATE (SQL Server Compact - 2008)
You can do it as per below
UPDATE [table one]
SET [table one].result = [table two] .results
FROM [table one] T1
INNER JOIN [table three] t3
on t1.reg_id = t3.reg_id
INNER JOIN [table two] T2
on t2.venue = t3.venue