GeneXus Knowledge Base Limits

Official Content
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The following table specify the maximun numbers of various object within the Knowlege Base.

Object Max. number
Environments and Versions per KB 999
Objects per KB (includes Table, Indexes and Subtype Groups) 2^31
Attributes per KB (includes Subtypes) 2^31
Domains per KB 2^31
Attributes per Transaction 999
Levels per Transaction 99 parallels
Key Attributes per Table 32
Secondary Attributes per Table 999
Indexes per Table 200
Candidate Key Attributes per Table 99
Where conditional filters in a For each(1) 500

1 - Depending on the For each filtering conditions, this number may vary, 500 is set as a reasonable threshold.