isql -Usa -Psa_password -Sservername -n -i%SYBASE%\%SYBASE_ASE%\scripts\installjsdb -ooutput_file
Note: When
upgrading from SAP ASE version 12.5.x to 15.5 and later, increase the size
of sybmgmtdb from 50MB to at least 160MB.
sybmgmtdb must have free log space of at
least 60MB.