文档解释 ORA-27195: proxy copy not supported Cause: An attempt was made to do a proxy backup or restore, but the media management software installed……

MSSQL数据库的复制订阅功能是数据库复制的一种实现机制，用于实现发布者和订阅者之间的异步数据复制。 它可以将数据复制到多个发布者，也可以将数据复制到多个……

文档解释 ORA-48199: OS command to copy a file failed Cause: The OS command to copy a file failed. Action: Check the error number associated with the……

文档解释 22P04: bad_copy_file_format **错误说明** PostgreSQL的bad_copy_file_format错误表示在导入数据时，复制文件格式与预期不一致，由此引发错误。 常……

文档解释 ORA-19942: datafile copy string not created with compatibility 10.0 or greater Cause: The specified datafile copy to be converted at the ta……

文档解释 ORA-18112: XUTY0013 – Invalid COPY expression for TRANSFORM Cause: In a TRANSFORM expression, a source expression in the copy clause did no……

区别说明 1、使用“=”直接赋值，是引用赋值，更改一个，另一个同样会变。 2、copy()复制一个副本，原值和新复制的变量互不影响。 实例 a = ['龙虎英……

1、copy.copy()函数可用于复制列表或字典等可变值，复制后的列表和原列表是两个独立的列表。 import copy origin = [1,2,3] new = ……

文档解释 ORA-19669: proxy copy functions cannot be run on DISK channel Cause: A proxy copy procedure was called, but the device which is allocated t……

文档解释 ORA-63002: a data file copy that is not current Cause: An obsolete copy of a data file left from a data file move operation was used for th……