Check Table Entries from Sybase isql

Hi,

we are stuck in Basis support pack import. we are not able to login in to SAP R/3.

could any one guide me how to check table entries for table TRBAT and TRJOB through sybase isql commands also the how to delete if we want to delete any entries from it. we are using Sybase ASE-15 SP122

Regards

Sunil