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我正在通过外部表将文件加载到 Oracle 中。大约每分钟一个文件将被放入目录中。遍历这些文件以加载的最佳方法是什么?加载后,我不再需要连接到该文件,但需要更改为新文件。
前辈!
您可以将新数据复制到公用文件(根据您的需要覆盖或附加)
ORGANIZATION EXTERNAL ( ACCESS PARAMETERS ( ... PREPROCESSOR bin_dir: 'copy_my_file_to_common_file.bat' ) LOCATION ('common_file.txt') )
每次访问表时都会调用它