摘要：
CREATE TABLE tb(日期 datetime, 料号 NVARCHAR(30), 单价 int)
INSERT tb SELECT '2008/5/1','AAA',2
UNION ALL SELECT '2008/6/6','BBB',22
UNION ALL SELECT '2008/6/6','CCC ',12
UNION ALL SELECT '2008/7/3','BBB',21
UNION ALL SELECT '2008/7/9','AAA ',1 阅读全文
