You can collect statistics on the BEGIN and END bound functions of PERIOD type columns, for example,
COLLECT STATISTICS COLUMN BEGIN(Policy_Duration) AS Stats_BegDuration, COLUMN END(Policy_Duration) AS Stats_EndDuration ON policy_types;
You can collect statistics on the BEGIN and END bound functions of PERIOD type columns, for example,
COLLECT STATISTICS COLUMN BEGIN(Policy_Duration) AS Stats_BegDuration, COLUMN END(Policy_Duration) AS Stats_EndDuration ON policy_types;