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SQL compare command line to compare databases and generate script file
Nalina
Posts: 1
in SQL Compare
Hi
I used the SQL compare command line to compare two databases for testing purpose.
using an xml file like this
C:\Program Files (x86)\Red Gate\SQL Compare 12> sqlcompare /Argfile:c:/Projects/
SQLCompareCDM.xml
I just compared one table which had a column datatype changed.
the generated script did not show alter table, instead saw a create table script with changed column appearing twice like this
>> [ServiceName] [varchar] (300) COLLATE Latin1_General_CI_AS NULL,
<< [ServiceName] [varchar] (250) COLLATE Latin1_General_CI_AS NOT NULL,
what option I should use to just generate a alter statement when using command line
If I use the SQL compare UI wizard, then I can see the alter statement in the generated comparison script.
My second question is when using xml file I cannot output the script to a file.
nor can I backup the database before deploying.
Will be grateful if you can help me
Thanks
Nalina
I used the SQL compare command line to compare two databases for testing purpose.
using an xml file like this
C:\Program Files (x86)\Red Gate\SQL Compare 12> sqlcompare /Argfile:c:/Projects/
SQLCompareCDM.xml
I just compared one table which had a column datatype changed.
the generated script did not show alter table, instead saw a create table script with changed column appearing twice like this
>> [ServiceName] [varchar] (300) COLLATE Latin1_General_CI_AS NULL,
<< [ServiceName] [varchar] (250) COLLATE Latin1_General_CI_AS NOT NULL,
what option I should use to just generate a alter statement when using command line
If I use the SQL compare UI wizard, then I can see the alter statement in the generated comparison script.
My second question is when using xml file I cannot output the script to a file.
nor can I backup the database before deploying.
Will be grateful if you can help me
Thanks
Nalina
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Comments
The generated scripts you're seeing are the comparison between the two tables similar to the diff panel at the bottom of the comparison results UI. If you want a deployment script, you can use the /scriptfile:<filepath> option for the commandline - see this part of the documentation for more details
You should be able to use the /makebackup option along with other /backup* options to add a backup command to the deployment script