6. QUEL and EQUEL Statements : Set Statement—Set Session Options : Description : Set [no]maxio Option
Set [no]maxio Option
The set maxio statement restricts the estimated number of I/O operations that can be used by one query. Value must be less than or equal to query_io_limit. If you issue a set nomaxio statement, the maximum number of I/O operations is set to query_io_limit.