The default value of the INFER_SUBQUERY_PREDICATES database option is ON in Sybase IQ 12.7. (This is a change from Sybase IQ version 12.6, in which the default value of this option is OFF.)
In Chapter 2, “Database Options,” the default value of INFER_SUBQUERY_PREDICATES in Table 2-1should be changed to ON.
In Chapter 2, “Database Options,” the default value of INFER_SUBQUERY_PREDICATES in the section “INFER_SUBQUERY_PREDICATES option” should be changed to ON.