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perror(1)                    MySQL Database System                   perror(1)


       perror - display MySQL error message information


       perror [options] errorcode ...


       For most system errors, MySQL displays, in addition to an internal text
       message, the system error code in one of the following styles:

           message ... (errno: #)
           message ... (Errcode: #)

       You can find out what the error code means by examining the
       documentation for your system or by using the perror utility.

       perror prints a description for a system error code or for a storage
       engine (table handler) error code.

       Invoke perror like this:

           shell> perror [options] errorcode ...


           shell> perror 1231
           MySQL error code 1231 (ER_WRONG_VALUE_FOR_VAR): Variable '%-.64s' can't
           be set to the value of '%-.200s'

           shell> perror 13 64
           OS error code  13:  Permission denied
           OS error code  64:  Machine is not on the network

       To obtain the error message for a MySQL Cluster error code, use the
       ndb_perror utility.

       The meaning of system error messages may be dependent on your operating
       system. A given error code may mean different things on different
       operating systems.

       perror supports the following options.

       o   --help, --info, -I, -?

           Display a help message and exit.

       o   --ndb

           Print the error message for an NDB Cluster error code.

           This option is deprecated in NDB 7.6.4 and later, where perror
           prints a warning if it is used, and is removed in NDB Cluster 8.0.
           Use the ndb_perror utility instead.

       o   --silent, -s

           Silent mode. Print only the error message.

       o   --verbose, -v

           Verbose mode. Print error code and message. This is the default

       o   --version, -V

           Display version information and exit.


       Copyright (C) 1997, 2018, Oracle and/or its affiliates. All rights

       This documentation is free software; you can redistribute it and/or
       modify it only under the terms of the GNU General Public License as
       published by the Free Software Foundation; version 2 of the License.

       This documentation is distributed in the hope that it will be useful,
       but WITHOUT ANY WARRANTY; without even the implied warranty of
       General Public License for more details.

       You should have received a copy of the GNU General Public License along
       with the program; if not, write to the Free Software Foundation, Inc.,
       51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see


       For more information, please refer to the MySQL Reference Manual, which
       may already be installed locally and which is also available online at


       Oracle Corporation (

MySQL 5.7                         12/20/2018                         perror(1)

mysql 5.7.25 - Generated Tue Feb 19 15:26:21 CST 2019
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