System procedures are Sybase-supplied stored procedures that return information about the access service and the target database. If the access service cannot support one of these procedures, the procedure returns a formatted result set containing zero rows.
System procedures for ECDA Option for ODBC and their relationship with ASE and ASE/CIS are defined in the following sections.Table 12-1 shows a number of system procedures are either supported, not supported, or defined differently between ECDA Option for ODBC and ASE.
ECDA system procedures  | 
Support relationship  | 
|---|---|
sp_groups  | 
Supported in ECDA Option for ODBC but not in ASE  | 
sp_who  | 
Supported only in ECDA Option for ODBC to Microsoft SQL Server data sources and ECDA Option for Oracle  | 
  | 
Defined differently in ECDA Option for ODBC and ASE  | 
  | 
Defined in ECDA Option for Oracle to support ASE/CIS products  | 
  | 
Not supported in ECDA Option for Oracle  |