既然两个表在逻辑上通过 airln 字段可以关联,建议使用以下 inner join: Select a~airln a~lnnam b~fligh b~cntry into table int_airdet From zairln as a inner join zflight as b on a~airln = b~airln. 这样就可以根据选择条件来限制数据,以上inner join还可以增加 where 条件来进一步限制选择条件。
FDA 从 SAP ABAP 内核 7.42 版本引入,对于一般的 ABAP 开发人员来说是透明的,仅仅能够在 ST05 Execution 里观察到。 上图的执行计划里,我们在 SELECT 语句里只访问了来自 sflight 表的 carrid 和 connid 两个字段,但是从执行计划的蓝色区域能观察到,sflight 和 spfli 的数据库表 INNER JOIN 仍然发生了。 ...
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 * measure. select a~kunag ...
SAP Managed Tags: ABAP Development Thanks for highlighting the point, I missed that. perhaps I can just put it all in one range table (eliminating duplicates) before using it in the inner join statement right? I think it's more clean and efficient that way. Reply Tomas_Buryanek Active...
SAPABAPINNERJOIN多个表详解及代码 inner join(等值连接) 只返回两个表中联结字段相等的行 left join(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 right join(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 INNER JOIN 语法: INNER JOIN 连接两个数据表的用法: SELECT * FROM...
4.全外连接 | 包含左、右两个表的全部行,不管另外一边的表中是否存在与它们匹配的行。 假设| a表和b表的数据是这样的 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)
FDA 从 SAP ABAP 内核 7.42 版本引入,对于一般的 ABAP 开发人员来说是透明的,仅仅能够在 ST05 Execution 里观察到。 上图的执行计划里,我们在 SELECT 语句里只访问了来自 sflight 表的 carrid 和 connid 两个字段,但是从执行计划的蓝色区域能观察到,sflight 和 spfli 的数据库表 INNER JOIN 仍然发生了。
inner join(等值连接) 只返回两个表中联结字段相等的行 left join(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 right join(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 INNER JOIN 语法: INNER JOIN 连接两个数据表的用法: SELECT * FROM 表 1 INNER JOIN 表 2 ON 表...
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...
http://www.sap-img.com/abap/select-statement-with-inner-join-is-taking-forever.htm regards twinkal Reply former_member188685 Active Contributor 2008 Jul 25 8:43 AM 0 Kudos 121 SAP Managed Tags: ABAP Development Inner Join Read the SAP help. http://help.sap.com/saphelp_nw04...