Mach> create volatile table vtable (id integer, name varchar(10));
Created successfully.
Mach> create index idx_vrb on vtable (name) index_type redblack;
Created successfuly.
Mach> desc vtable;
----------------------------------------------------------------
NAME                          TYPE                LENGTH        
----------------------------------------------------------------
ID                            integer             11              
NAME                          varchar             10                  

[ INDEX ]                              
----------------------------------------------------------------
NAME                          TYPE                COLUMN
----------------------------------------------------------------
IDX_VRB                       REDBLACK            NAME                
iFlux>

Mach> create volatile table vtable (id integer primary key, name varchar(20));
Created successfully.
Mach> desc vtable;
----------------------------------------------------------------
NAME                          TYPE                LENGTH        
----------------------------------------------------------------
ID                            integer             11              
NAME                          varchar             20                  

[ INDEX ]                              
----------------------------------------------------------------
NAME                          TYPE                COLUMN
----------------------------------------------------------------
__PK_IDX_VTABLE               REDBLACK            ID   

iFlux>

Mach> create bitmap   index idx_1237 on vtable(id1);
[ERR-02069 : Error in index for invalid table. BITMAP Index can only be created for LOG Table.]
Mach> create keyword  index idx_1238 on vtable(name);
[ERR-02069 : Error in index for invalid table. KEYWORD Index can only be created for LOG Table.]