直联外部数据库，取数方法 DBCO DB02

REPORT  ztest001.

TABLES: ztest001.

TYPES: BEGIN OF st01,
          document_no TYPE ztest001-document_no,
          storage     TYPE ztest001-storage,
          drug_code   TYPE ztest001-drug_code,
       END   OF st01.
DATA:it_tab TYPE TABLE OF st01 WITH HEADER LINE,
     st_tab TYPE          st01.




DATA: g_con_name TYPE dbcon_name VALUE 'TEST',
     ex          TYPE REF TO cx_sy_native_sql_error.


**连接数据库
TRY.
    EXEC SQL.
      connect to :g_con_name
    ENDEXEC.