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select * from order where YEAR < = '2017'. 单列索引不存null值，复合索引不存全为null的值，如果列允许为null，可能会得到“不符合预期”的结果集。如果name允许为null，索引不存储null
SELECT TOP 1 time_id + 1 AS time_id, the_date + 1 AS the_date, YEAR. AS the_year, MONTH AS month_of_year, { fn QUARTER
参数"&Fy_Cs&"的值中包含非法字符串！\n\n请不要在参数中出现：;,and,select,update,insert,delete,chr等非法字符！');window.close();</Script&g
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