If theprimary table keyis used to access astandard tableand the key isempty, the first line of the internal table is deleted. If this is known statically, the syntax check produces a warning. 如果使用了primary table key这个东西,但是key又是空的,那么内表的第一条会被删掉,同时给你抛一个警告...
1、在使用DELETE FROM TABLE删除数据库表的数据时,无需所有字段数据完全一致,只需要关键字的值完全一致就可以删除掉 2、在删除数据时如果可以通过关键字来删除数据,最好不要用RANGE内表进行删除,因为效率很低,可以用DELETE FROM TABLE来删除,因为会覆盖所有关键字所以效率高,但前提是在读取需要删除的数据时,最好不...
下面是`DELETE FROM`语句的基本语法: ``` DELETE FROM <database table> [WHERE <condition>]. ``` 其中: - `<database table>`是要删除行的数据库表的名称。 - `<condition>`是一个可选的条件,只有满足条件的行才会被删除。 以下是一些示例: 1.删除数据库表`ZEMPLOYEE`中所有行: ```abap DELETE ...
DELETE 语句用于从内表中删除一条或多条记录。通过指定表键或条件或查找重复条目来删除内表的记录。如果内表具有非唯一键并且包含重复条目,则表中的第一个条目将被删除。 以下是使用 DELETE 语句从内部表中删除记录或行的语法 - DELETE TABLE <internal_table> FROM <work_area_itab>. 复制 在上面的语法中...
DELETETABLEitab.DELETETABLEitabFROMwa.DELETETABLEitabWITHTABLEKEYk1=f1 k2=f2...kn=fn. - 案例代码演示(使用工作区) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 DATA:GT_SFLIGHTTYPETABLEOFSFLIGHTWITHNON-UNIQUEKEYCARRID,GS_SFLIGHTTYPESFLIGHT.GS_SFLIGHT-CARRID='AC'.GS_SFLIGHT-CONNID=082...
2.删除多行数据: DELETE FROM dbtab WHERE <condition>. DELETE dbtab[CLIENT SPECIFIED] FROM TABLE itab. 注:返回值同MODIFY 3.删除多行数据: 两种形式:1).通过内表删除多行数据条目的过程中将内表置为空;2).使用WHERE FIELD LIKE '%'。
DELETEitabINDEXn.DELETEitabFROMn1TOn2.DELETEitabFROMn1."删除n1后面的数据(包括n1)DELETEitabTOn2."删除n2前面的数据(包括n2) - 案例代码演示 PS:依次接触下面案例中的DELETE语句的注释代码,观察它们不同的效果 DATA:GT_SFLIGHTTYPETABLEOFSFLIGHTWITHNON-UNIQUEKEYCARRIDFLDATE,GS_SFLIGHTTYPESFLIGHT.GS_SFLIG...
ABAP DELETE statement keyword to delete data from SAP internal and database tables The the delete command has many uses including the ability to delete a number of entries from an internal table which are the same. This uses the adjacent duplicates comparing addition to the delete command. ...
DATA: l_tab_filetable TYPE filetable, l_extension TYPE string, l_filename TYPE string, l_filter TYPE string. DATA: l_result1 TYPE i, l_result2 TYPE abap_bool, l_file TYPE string. DATA: l_tab_raw_data TYPE truxs_t_text_data. ...
This statement deletes a data cluster stored in the ABAP memory, in a database table, or in a cross-transaction application buffer of the application server by the statement EXPORT. The data cluster is identified by its ID id and, except in the case of the ABAP memory, by the name of...