alter table q_0_o0 modify message varchar(5000), engine=memory;
alter table q_0_o1 modify message varchar(5000), engine=memory;
alter table q_0_o2 modify message varchar(5000), engine=memory;
alter table ems_processing_state_0 modify processing_state varchar(600), engine=memory;
alter table ems_table_usage_0 engine=memory;
