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
里面相当完全 JS 参考手册 JS 对象概述 JS Array JS Boolean JS Date JS Math JS Number JS String JS RegExp JS 函数 JS 事件 DOM 对象 DOM Window DOM Navigator DOM Screen DOM History DOM Location DOM Document DOM Anchor DOM Area DOM Base DOM Body DOM Button DOM Event DOM Form