I'm trying to put together an automated system that uses sp_publication_validation & the tablediff utility to automatically sync up our subscribers to the publisher. What I'm noticing is that the sp_publication_validation sys proc gets run on the publisher. It does a rowcount and binary_checksum of each article in a specified publication. When I do a binary_checksum myself I've verified these results. For some reason a column could be a smalldatetime on the publisher and all the subscribers, however, the binary checksum will be different IF RUN from the publisher for that column/row/table. If I run the binary_checksum from the subscriber (instead of accross ODBC using a linked server command) I'm seeing matching checksums.
The result of this is I'm seeing a bunch of records that are actually identical coming through the tablediff command as different. I have a few questions. Has anyone ever run accross this issue before? I believe it has something to do w/ ODBC. I'm willing to work/share a pretty nice SSIS package that I am developing if somebody could assist me in figuring a way around this issue.
I'm wanting to compare replicated data accross all our subscribers. I would like to do this in an automated fashion, but want to manually update/fix the data. I was reading about sp_publication_validation and I've executed it on our publisher. I was thinking about capturing the results from each article and storing the row in a column someplace. The output is like this:
Generated expected rowcount value of 2048198 and expected checksum value of 71435190759406 for peo_address.
Because we have multiple subscribers this doesn't do me any good in telling me which subscriber is off compaired to the publisher. The sp_article_validation also is to be run on the pub, but from what I can tell it does the same thing that sp_publication_validation does only for one article at a time. Here is my question, is there a way to get this specific string of row count and checksum information and capture the results for each subscriber and each article? I want to capture this information and then store it so I can tell exactly which subscriber and which article are not matching.
Also, if somebody else has done this before or something like it and has any advice, please share.
Can someone help me with the syntax of sp_publication_validation. I have a server named "EXT" and it's a subscriber to another server named "PUB". I would like to know what syntax and where to run the TSQL statement to check a table (or group of tables I really don't understand if this command does all tables or just one at a time). The database name is "testDB" on both environments.
I recognized a strange behaviour when using tablediff. Because I don't want to replicate all columns, I create two views on selected attributes and compare them.
Have two tables: create table t1 (timestamp timestamp, b int PRIMARY KEY, c varchar(30))create table t2 (b int PRIMARY KEY, c varchar(30))
and two views: create view vt1 as select b, c from t1 create view vt2 as select b, c from t2
Compare the views with tablediff and get a failure: ... vt1 and vt2 ... have different schemas and cannot be compared.
Now I just find out that it works when table t2 also has a timestamp column.
drop table t2create table t2 (b int PRIMARY KEY, c varchar(30), ts timestamp)
Compare the views again with tablediff and get: ... vt1 and vt2 ... are identical.
What dou you think, do I always need the same datatypes in source- and target-table I want to compare, even if a create a subselection via views?
In my transactional push replication I had differences, which were reported correctly by the utility tbalediff.
I created with the tablediff utility all necessary statements to correct them.
Afterwards I ran tablediff again to check if everything is ok.
It wasn't, I got a lot of mismatches.
The reason for those mismatches are columns from type "float". It looks like that float values are not generated correctly in insert statements. We had differences in the values and from that point on we have mismatches.
Does anyone has an idea how to get rid of those reported mismatches?!?!
Using MSSQL Server 2012 Standard on a Windows 2008R2 Standard server.
For the tablediff utility MSDN says:
The Transact-SQL script generated to bring the destination table into convergence does not include the following data types: varchar(max), nvarchar(max), timestamp...etc
We have a small replication job running and one of the tables contains a timestamp field. After running tablediff the generated script contains a note:
-- Column(s) AccessTS are not included in this script because they are of type(s) text, ntext, varchar(max), nvarchar(max), varbinary(max), image, timestamp, or xml. Columns of these types cannot be updated by tablediff utility scripts; .....
The updated record is in the script file, but the timestamp field is omitted.
All good so far.
However, another table contains nvarchar(max) fields. The scripts that are generated for these tables do not contain the above message and instead contain these nvarchar(max) fields in both the update and insert into statements!
So why does it say it will ignore these types of fields, but then actually include the nvarchar(max) ones in the generated scripts?
TableDiff Stop Functioning on 2million records with 1.8milion changes on a particular row. Only happen if "-f" is specified. Anyway to work around this?
I want to use Tablediff utility. It has not been installed into my system. Any idea, from where I can download it? I have both sql 2000 and sql 2005. May I use tablediff in both sql 2000 and 2005?
Does anyone know if there is a utility available in SQL Server 2000 equivalent to the Tablediff utility in 2005? While reinitializing a Subscriber, I got the error "The row was not found at the Subscriber when applying the replicated command." I would like to identify the location of the data to fix at the Subscriber. In the interim, I changed the Distribution agent from the default to "Continue replication on data consistency errors," which successfully replicated changes, except for the errors. Is the stored procedure sp_publication_validation the only option for SQL Server 2000? This ran successfully after the replicated changes were processed.
I have created a linked server that point to a firebird database, everything is fine, I can query the database with something like
Select * from MYLINKEDSERVER...MYTABLE
Now , can i use tablediff utility with this linked server. If yes, any example ..
I would say also that performance is not very important to me. this would be used at the end of the day to make some sort of replication by generating a sql script with datadiff, and run it on a local sql server database and a web based SQL database. The replication is not an option since i am using a shared web hosting and replication is disabled on it .
I am presently using 'tablediff' utility of SQLServer 2005 to compare tables located on two different servers. My real intension is to backup data from Serv1 to Serv2, except that I wish to update the tables on server2 with only newly inserted rows and updated rows and NOT deleted rows.
In short, I want the final .sql file generated by the tablediff utility to contain only 'Insert' and 'Update' statements and NOT 'Delete' statements.
