数据导入导出
===============


.. toctree::
   :maxdepth: 3

   import-export-introduction.md
   hdfs-external-table-import.md
   hdfs-external-table-export.md
   gpfdist-external-table-import.md
   gpfdist-external-table-export.md
   copy-import-export.md
   format-input-and-output.md