October 2003
Intermediate to advanced
1072 pages
24h 21m
English
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Filtering
As with other types of replication, you can filter merge replication vertically as well as horizontally. Horizontal (or row) filters are implemented via an SQL WHERE clause and limit the rows a publication includes based on user-specified criteria. Vertical (or column) filters limit the columns that a publication includes.
When you define a column filter, a view is created that includes only the requested columns. This view will have a name of the form publication_ article_VIEW and will reside in the publication database. The object ID of this view, rather than that of the base object, will be stored in the sysmergearticles sync_objid column and will be queried for new rows by the Merge Agent.
On the subscriber side of the equation, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.