None (practically). The file size holding it has a limit of 2Gig, so the
limit will be accordingly to the data stored in that table, and other
objects saved in the save db. A db can span multiple files (with linked
tables).
You're limited to 2 GByte in any single .mdb file, and a table cannot
span multiple databases, so you're limited to 2 gigabytes of data -
but there is no explicit limit on the number of records. I know of
Access databases with 20,000,000 rows in the largest table.
See "Specifications" in the online help for all of the limits.