SQL Help !! - Oracle / ¿ª·¢
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SQL code:
SELECT TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W'),
COUNT(*)
from T_LIST
WHERE to_char(to_date(ACCEPT_TIME,'yyyy-mm-dd hh24:mi:ss'),'MM')=to_char(SYSDATE-1,'MM')
GROUP BY TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W')
ORDER BY TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W') ;
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T_list ÊÇÒ»¸ö²Ù×÷Á÷Ë®±í ACCEPT_TIMEÊDzÙ×÷ʱ¼ä¡£
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SQL code:
SELECT null(TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W'),0),
COUNT(*)
from T_LIST
WHERE to_char(to_date(ACCEPT_TIME,'yyyy-mm-dd hh24:mi:ss'),'MM')=to_char(SYSDATE-1,'MM')
GROUP null(TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W'),0)
ORDER BY null(TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W'),0) ;
SQL code:
--±ÊÎó,Ó¦¸ÃÊÇnvl£¨£©º¯Êý
SELECT nvl(TO_CHAR(TO_DATE(ACCEPT_TIME, 'yyyy-mm-dd hh24:mi:ss'), 'W'),0),
COUNT(*)
from T_LIST
WHERE to_char(to_d
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