Replication schema design?

  • hi,

    can u give me some help guide lines ( links), for what we need to take care of schema design when we need to use replication technology.

    Merge replication:

    means publisher and subscriber each will update from other is it right?

    🙂

  • One big thing on schema design is that you need explicit defined primary keys. Other than that general good design is your best bet.

  • I recommend looking at The SQL Server Books Online: http://msdn.microsoft.com/en-us/library/ms151198.aspx (this is for 2008R2, but all versions are available).

    The answer to your question depends on the type of replication you are performing. For example, merge replication has a maximum number of columns limit of 256 and requires a row guid. Transactional has column limits of 1024. All replication methods have a hard row size limit of 8060 bytes. Mixed topologies get tricky.

    The docs to a good job of outlining the requirements. If you have any other questions, or want help validating your schema, let me know.

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