Using Boolean like Domains?

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When needing to represent True / False or Yes / No which of the following examples is better from a geodatabase design point of view?

Our database architect hates the option on the right but when looking at the data using a non-esri tool using letters makes it easy to understand without needing to do a database join.

Store an integer or Store a string and use the first letter

0 - 'No' or 'N' - 'No'

1 - 'Yes' or 'Y' - 'Yes'

0 - 'False' or 'F' - 'False'

1 - 'True' or 'T' - 'True'



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