记ABAP模块学习第六周(二) 努力写作业跟笔记了,赶进度中~ 一、JOIN语句 (通常与SELECT语句结合使用,并与FROM语句连接,以从多个表中检索数据) 1、INNER JOIN:根据连接的条件取交集数据,只返回在两个表中都有匹配的行。 2、LEFT JOIN:返回左侧表中的所有行,以及右侧表中与左侧表匹配的行。 二、统计函数 1、...
SAP ABAP Inner Join(Joins) Below ABAP Syntax is ABAP Inner Join example. START-OF-SELECTION. * ASSUMPTION: All quantities are in sales units. Since quantities * are summed to the material group level, it is assumed that all * materials within a material group have the same sales unit of ...
1.1 内连接 ( INNER JOIN )内连接是最常见的一种连接,它也被称为普通连接 返回结果: 1.2 左外连接 (LEFT OUTER JOIN) 返回结果: 1.3 右外连接 ( RIGHT JOIN ) 返回结果: 以上。
我们在 ST05 事物码里选择 Edit->Display Execution Plan->For Recorded Statement,即可查看到上面那条 SQL 语句在运行时的执行计划: 执行计划如下图所示: 绿色区域的 FDA READ,意思是快速数据访问 (Fast Data Access,缩写为 FDA),这是一种在 SAP ABAP 环境中进行数据读写访问的协议。它针对 SAP HANA 为OPEN...
If a host expression occurs on the right side of the ON condition, the syntax check is performed in a strict mode from Release 7.50, which handles the statement more strictly than the regular syntax check. If one of the following two conditions apply: SQL...
SAP ABAP INNER JOIN 多个表详解及代码 innerjoin(等值连接)只返回两个表中联结字段相等的行 leftjoin(左联接)返回包括左表中的所有记录和右表中联结字段相等的记录 rightjoin(右联接)返回包括右表中的所有记录和左表中联结字段相等的记录 INNERJOIN语法： INNERJOIN连接两个数据表的用法： SELECT*FROM表1INNERJOIN...
With an inner join, you get only the records of the cross-product for which there is an entry in all tables used in the view. With an outer join, the system also selects records for which there is no entry in some of the tables used in the view....
SAP ABAP 性能优化技巧 — 正确使用”inner join” 当多个 SAP 表在逻辑上关联的时候,总是建议使用右关联 inner join 来从中读取数据。这会降低网络的负载。 以两个表为例:zairln 和 zflight。表 zairln 有字段 airln 存储了航空公司的代码,和字段 lnnam 存储了航空公司的名称。表 zflight 有航空公司...
SAP Managed Tags: ABAP Development Hi Dear all, I have such statement in our report. SELECT d~matnr d~werks e~lgort d~prvbe d~behaz d~behmg d~pknum INTO CORRESPONDING FIELDS OF TABLE gt_pvbe FROM ( ( pkhd AS d INNER JOIN pvbe AS e ON e~prvbe = d~prvbe AND e~werks =...
SAP Managed Tags: Quickviewer / Query – Joining tables. There are 2 ways of joining tables in SAP: Inner and outer joins. If you have to following 2 tables, that you want to join, you see that there are 2 matching records: 11 and 12. ...