Purpose You use SAP Smart Forms to create and maintain forms for mass printing in SAP Systems. As output medium SAP Smart Forms support a printer, a fax, e-mail, or the Internet (by using the generated XML output). In addition to the tool, SAP deliv
15、说明:选择在每一组b值相同的数据中对应的a最大的记录的所有信息(类似这样的用法可以用于论坛每月排行榜,每月热销产品分析,按科目成绩排名,等等.) select a,b,c from tablename ta where a=(select max(a) from tablename tb where tb.b=ta.b) 16、说明:包括所有在 TableA 中但不在 TableB和TableC 中的行并消除所有重复行而派生出一个结果表 (select a from tableA ) e
SQL小技巧:QL小技巧,常看。 说明:复制表(只复制结构,源表名:a 新表名:b) SQL: select * into b from a where 11 说明:拷贝表(拷贝数据,源表名:a 目标表名:b) SQL: insert into b(a, b, c) select d,e,f from b; [separator] 说明:显示文章、提交人和最后回复时间 SQL: select a.title,a.username,b.adddate from table a,(selec t
当月数据 select * from table t where t.create_time >=TRUNC(SYSDATE, 'MM') and t.create_time=trunc(sysdate,'YYYY') and t.create_time=trunc(sysdate,'day')+1 and t.create_time=trunc(next_day(sysdate-8,1)+1) and t.create_time<=trunc(next_day(sysdate-8