TITLE  :  Here are the CURRENT maximum limits for some common IDAPI objects. These may change for next release.

48          // Max clients in system
32          // Max sesssions per client
32          // Max open databases per session
32          // Max loaded drivers
64          // Max sessions in system
4000        // Max cursors per session
100         // Max passwords per session
16          // Max entries in error stack
127         // Max locks of a given type on a given table

BLOB handles per cursor:
Paradox: max (16, two times the number of BLOB fields in the table)
dBASE: Two times the number of BLOB field in the table