查询每个月的数据从月头到下个月头

select to_char(t.create_date,'yyyy-mm-dd hh24:mi:ss')time from fs_s01_act_lhl_record t where  t.create_date >=to_date(to_char(add_months(trunc(sysdate),?),'yyyy/mm')||'/01','yyyy/mm/dd')"+

"  and t.create_date< to_date(to_char(add_months(trunc(sysdate),?),'yyyy/mm')||'/01','yyyy/mm/dd')"+

"and t.accounts=? and t.activity_no=? ORDER BY T.CREATE_DATE ASC "