Using ArcGIS 10.8.2, I have geocoded a large table by connecting to the database table through an enterprise geodatabase connection. Several of the attributes only have "1" or "null" as a possibility but after the geocoding, all those fields contain only "null," not recording any of the "1."
If I export a sample of the database table and geocode it from my local disk, no problems--all the attributes carry correctly. Because the database is >250,000 records, I can't export the whole thing to be local.
.sde
is a connection file. The actual RDBMS (and exact version) to which that connection is made is extremely important, as is the table definition (the CREATE TABLE of the table)