select
TO_CHAR(TO_DATE('20120520'),'Day') AS WEEKDAYS2
from dual
HS.HBTNSKJSK_DT为表中字段。
系统日期星期几:
SELECT
TO_CHAR(SYSDATE,'DAY') AS WEEKDAYS, --结果显示星期几
TO_CHAR(SYSDATE,'D') AS WEEKDAYS --结果显示数值,星期天为1,星期一为2,依次类推
FROM DUAL
稳