MySQL perror的使用方法
【Mysql 学习】perror的使用方法在mysql的使用过程中遇见很多错误，比如由于操作系统引起的，文件或者目录不存在，或者sql语句错误引起的。这些error 会有相应的代码：error#，Errcode#。"#"代表具体的错误号。perror可以查看这些错误的详细内容。
查看perror的使用方法：
# perror
perror Ver 2.10, for pc-linux-gnu (i686)
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL license
Print a description for a system error code or an error code from
a MyISAM/ISAM/BDB table handler.
If you want to get the error for a negative error code, you should use
-- before the first error code to tell perror that there was no more options.
Usage: perror ]
-?, --help Displays this help and exits.
-I, --info Synonym for --help.
--ndb Ndbcluster storage engine specific error codes.
-s, --silent Only print the error message.
-v, --verbose Print error code and message (default).
-V, --version Displays version information and exits.
Variables (--variable-name=value)
and boolean options {FALSE|TRUE}Value (after reading options)
--------------------------------- -----------------------------
ndb FALSE
verbose TRUE
# perror 30 60
OS error code30:Read-only file system
OS error code60:Device not a stream
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