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Enterprise geodatabases use log file tables to maintain lists of selected records. Records are written to log file tables for later use by the application in the following situations:
- You create a selection set of a specific size (more than 100 records in ArcMap; more than 1,000 records in ArcGIS Pro; more than 1,000 records when ObjectIDs are requested from a feature service).
- You reconcile or post to a versioned geodatabase.
- A client application checks out data for disconnected editing.
ArcGIS clients create temporary log file tables in geodatabases in PostgreSQL when needed.
For more information on temporary log file tables and shared log files, see Log file tables in geodatabase in PostgreSQL.
For more information on geodatabases, see What's new in ArcMap.