SELECT<fields>INTO<internal table>FROM<data source>[WHERE<condition>][GROUPBY<fields>][HAVING<condition>]. 其中, 指定要查询的字段列表,可以使用通配符 * 查询所有字段,也可以指定具体的字段名; 指定查询结果存储的内表; 指定要查询的数据源,可以是一个表、一个视图或者一个函数; 指定查询条件,可以使用等于...
start-of-SELECTION . select* into corresponding fields of table it_main from sflight where carrid ='AA'. if it_mainisnotinitial. select* intoCORRESPONDINGFIELDSOFtable it_scarr from scarr for all entries in it_main where carrid= it_main-carrid . select* intoCORRESPONDINGFIELDSOFtable it_...
Specifies an internal table itab, whose name must be prefixed with the @ character, as a data source of a query. The SELECT statement handles the internal table of the AS ABAP like a database table on the database. The ABAP types of the columns in the internal table are mapped to ...
SELECT BNAME AS NAME PERSNUMBER AS TELNUM ADDRNUMBER AS ADDR INTOTABLE EMP FROM USER21. USER21-BNAME='JERY'. REFRESH EMP FROM TABLE USER21. "清除EMP的存储空间,并从USER21中查找数据填充到内表。 2.INSERT(向内表插入数据) 可以按内表的具体字段向表中插入一行或者多行数据,具体语法如下: INSERT...
FOR ALL ENTRIES IN <internal table>:可选项,表示使用内部表中的值作为条件来检索数据。 <n>:可选项,表示返回的最大行数。 <hint>:可选项,用于优化数据库查询。 SELECT语句变式 在ABAP中,SELECT语句不仅可以检索多行数据,还可以检索单行数据。为了满足这两种不同的检索需求,ABAP提供了两种SELECT语句的...
When an internal table is specified, the syntax can be distributed across multiple rows. Invalid syntax raises a handleable exception from the class CX_SY_DYNAMIC_OSQL_ERROR. The addition AS used to specify an alternative table name statically can be specified only if source_syntax contains only...
REPORT zd_gen_table_upload. * Internal TABLE and worearea Definition FIELD-SYMBOLS: <ft_tab> TYPE STANDARD TABLE, <fs_data> TYPE any, <f_field> TYPE any. DATA: dynpfields TYPE TABLE OF dynpread WITH HEADER LINE, l_xls TYPE char1, ...
ABAP开发基础知识:5) 内表(Internal Table) 简介:内表与结构体基本类似,它同样是程序运行中被临时创建的一个存储空间,它是一个可包含多条记录的数据表。 内表共有3种类型: 1)Standard:标准表 2)Sorted:排序表 3)Hashed:哈希表,一般用的比较少 本篇文件将重点介绍Standart型内表的定义及功能 1.内表的定义...
The user first creates an internal table, selects the relevant data from customer tables and then places the data in the internal table. Other users can access and use this internal table directly to retrieve the desired information, instead of writing database queries to perform each operation ...
loop里不能套select;避免使用select distinct,代替先sort,再delete; ① 抽取数据时,避免使用SELECT *, 尽量使用SELECT A B INTO TABLE ITAB这样的语句。 ② 不要使用SELECT...ENDSELECT语句。 ③ 尽量避免在LOOP中访问数据库。可以在之前先把数据取到内表,在LOOP中用READ TABLE WITH KEY ... BINARY SEARCH....