两个数据集Date, AStartDate, EndDate, B下面的逻辑非常清楚:使用日期范围条件,在单键上连接两个表。proc sql;from One as a left join Two as bwhere a.Datebetween b.StartDateand b.EndDate;
但是,如果我将a.<em
我有一个如下所示的可用性表AVAIL_DATE表示停留日期,AVAILABLE是带有'T‘或'F’的字符。我需要检查可用性表对于给定范围(START_DATE,END_DATE)内的所有日期是否都为真Operate to check whether it's all trueSelect AVAILAB
sql查询错误在哪里?我希望对日期范围内的多个id的值进行求和。SELECT date,ledger_name, sum(credit),sum(debit) WHERE ledger_name in(19,20,25,29)group by ledger_name and
WHEREdateBETWEEN '$from_date</e