Name
        sinv_drop_inverse
         — Reverses the effect of 
sinv_create_inverse
   procedure.
      
Synopsis
              sinv_drop_inverse
            (
            | 
                    in 
_SINVM_NAME_IN
   varchar
); | 
          
Description
Reverses the effect of 
sinv_create_inverse
   procedure.
Parameters
_SINVM_NAME_IN
the name of the forward function