Use sp_compatmode to verify if full compatibility mode can be used
sp_compatmode
1> sp_compatmode 2> go Compatibility mode is enabled. WARNING: Compatibility mode may not be used when statement cache and literalautoparam are enabled. WARNING: The configuration option 'histogram tuning factor' is configured with value '20', which is not the default value in ASE 12.5. This may lead to different accuracy of statistics and different query plans. (return status = 0) 1>
The results of this query tell you whether compatibility mode is enabled or not. If there are conflicts with the use of enable compatibility mode warnings are generated.
Any user can use this procedure.
'enable compatibility mode'
For more information see the Migration Technology Guide.