1:mysql查询连续一个周的日期列表
SELECT DATE_SUB(CURDATE(),INTERVAL 7 DAY) day1 UNION
SELECT DATE_SUB(CURDATE(),INTERVAL 6 DAY) day1 UNION
SELECT DATE_SUB(CURDATE(),INTERVAL 5 DAY) day1 UNION
SELECT DATE_SUB(CURDATE(),INTERVAL 4 DAY) day1 UNION
SELECT DATE_SUB(CURDATE(),INTERVAL 3 DAY) day1 UNION
SELECT DATE_SUB(CURDATE(),INTERVAL 2 DAY) day1 UNION
SELECT DATE_SUB(CURDATE(),INTERVAL 1 DAY) day1

2:oracle查询连续一个周的日期列表
SELECT (SYSDATE-8+ROWNUM) FROM dual CONNECT BY ROWNUM<=7

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