在ABAP语法中,大部分取结构的字段,都用‘-’来连接使用~的情况比较少,你上面的联表查询就是一种情况,以SELECT语句为例单表查询时,SELECT 字段名FROM 表名就可以了,因为就一个表,SELECT的字段都是该表的但联表查询时,...
ABAP " 是什么比如 SELECT VKORGKUNNRNAME1FROM KNVV AS AINNER JOIN
1个回答
相关问题
-
"select a.*,b.* from tb_Card as a join tb_Module as b on a.M
-
ms sql :select * from (select *from b) as xxx where 和 select
-
SQL语句理解 select * from B where (select count(1) as num from A
-
select * from a,b与select * from a inner join b 的取数方式和执行效率有什么
-
SELECT MAX(account) AS account FROM shop 和 SELECT MAX(accoun
-
不定区间的范围分组统计WITH T AS (SELECT 1 N FROM DUAL UNION ALL SELECT
-
select count(*) as total from ddcm_news where key=a
-
dim cm as New SqlCommand("select count(*) from Users where u
-
$sql="SELECT count(*) as pcount FROM news" 和$sql = "UPDATE a
-
As we joined the big crowd,I got ________ from friends.