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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 SQLServer when needed.
Temporary log file tables
ArcGIS creates log files as temporary tables in the SQLServer temporary database (tempdb) whenever log file tables are needed. Tables are created per session.
Tables created for temporary log file tables
One table is created in tempdb in the format ##SDE_SESSION<SDE_ID >_<DBID>. The <SDE_ID> is the unique session ID from the SDE_process_information table. The <DBID> is the database ID from SQL Server. This table is truncated when the connecting application deletes its log files, and the table is dropped when the session disconnects. Be aware that you cannot see temporary objects in Object Explorer in Management Studio.
Permissions to use temporary log file tables
The following permissions are required to use shared log file tables in SQL Server:
- CONNECT
Shared log files
For more information, see What's new in ArcMap.