How to keep data from retired systems in the staging database

Note: This is an old article.  However, these tips may still apply to newer versions.  


Sometimes, an old system is retired that contains data that you wish to keep. The Guard feature of TX enables you to keep data in the staging database when the source system is no longer operational while skipping the regular execution of the old tables. This way, you can keep data from an old system in the data warehouse while appending data from the replacement system.

Step by step

To enable the guard feature on a table, do as follows:

  1. Right click the table from the old system in the staging area. Choose Advanced -> Guard.
  2. In the dialogue, there are two checkboxes:
    • Guard on deployment: TX will skip the table during deployment, leaving whatever is already there.
    • Guard on execution: TX will skip the table during execution.
    Choose Guard on execution to prevent the table from being executed in the future.


Make sure to keep a backup of the tables from the old system in a safe location so you can re-establish the data if you need to do a full deployment on a new empty database sometime in the future.

This article applies to: timeXtender 4.5, tX2012, TX2014. Last updated: 2014-03-28.

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