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mysqldump選項解析

mysqldump [OPTIONS] database [tables]

The following groups are read: mysqldump client

The following options may be given as the first argument:

--print-defaults        Print the program argument list and exit

--no-defaults           Don't read default options from any options file

--defaults-file=#       Only read default options from the given file #

--defaults-extra-file=# Read this file after the global files are read

  -a, --all           Deprecated. Use --create-options instead.

                         一丢棄,使用 --create-options 代替。

  -A, --all-databases Dump all the databases. This will be same as --databases

                      with all databases selected.  導出所有的資料庫。

  --add-drop-database Add a 'DROP DATABASE' before each create. 在建立資料庫指令前先執行drop database 操作

  --add-drop-table    Add a 'drop table' before each create.  在生成create table 前先執行drop table 指令

  --add-locks         Add locks around insert statements. 導出表前先鎖定表,導完後unlock 表,即在導出每個表時隻能select。

  --allow-keywords    Allow creation of column names that are keywords. 允許建立是關鍵詞的列名字。

  --character-sets-dir=name

                      Directory where character sets are.

  -i, --comments      Write additional information.

  --compatible=name   Change the dump to be compatible with a given mode. By

                      default tables are dumped in a format optimized for

                      MySQL. Legal modes are: ansi, mysql323, mysql40,

                      postgresql, oracle, mssql, db2, maxdb, no_key_options,

                      no_table_options, no_field_options. One can use several

                      modes separated by commas. Note: Requires MySQL server

                      version 4.1.0 or higher. This option is ignored with

                      earlier server versions.

  --compact           Give less verbose output (useful for debugging). Disables

                      structure comments and header/footer constructs.  Enables

                      options --skip-add-drop-table --no-set-names

                      --skip-disable-keys --skip-add-locks

  -c, --complete-insert

                      Use complete insert statements.使用完整的insert語句(用列名字)。

  -C, --compress      Use compression in server/client protocol. 如果客戶和伺服器均支援壓縮,壓縮兩者間所有的資訊

  --create-options    Include all MySQL specific create options.

  -B, --databases     To dump several databases. Note the difference in usage;

                      In this case no tables are given. All name arguments are

                      regarded as databasenames. 'USE db_name;' will be

                      included in the output.

  -#, --debug[=#]     This is a non-debug version. Catch this and exit

  --default-character-set=name

                      Set the default character set.

  --delayed-insert    Insert rows with INSERT DELAYED; 用Insert DELAYED指令插入行

  --delete-master-logs

                      Delete logs on master after backup. This automatically

                      enables --master-data.

  -K, --disable-keys  '; and

                      '; will be put

                      in the output.

  -e, --extended-insert

                      Allows utilization of the new, much faster INSERT syntax.使用全新多行Insert文法

  --fields-terminated-by=name

                      Fields in the textfile are terminated by ...

  --fields-enclosed-by=name

                      Fields in the importfile are enclosed by ...

  --fields-optionally-enclosed-by=name

                      Fields in the i.file are opt. enclosed by ...

  --fields-escaped-by=name

                      Fields in the i.file are escaped by ...

            這些選擇與-T選擇一起使用,并且有相應的LOAD DATA INFILE子句相同的含義

  -x, --first-slave   Deprecated, renamed to --lock-all-tables.

  -F, --flush-logs    Flush logs file in server before starting dump. Note that

                      if you dump many databases at once (using the option

                      --databases= or --all-databases), the logs will be

                      flushed for each database dumped. The exception is when

                      using --lock-all-tables or --master-data: in this case

                      the logs will be flushed only once, corresponding to the

                      moment all tables are locked. So if you want your dump

                      and the log flush to happen at the same exact moment you

                      should use --lock-all-tables or --master-data with

                      --flush-logs

  -f, --force         Continue even if we get an sql-error.

  -?, --help          Display this help message and exit.

  --hex-blob          Dump binary strings (BINARY, VARBINARY, BLOB) in

                      hexadecimal format.

  -h, --host=name     Connect to host.

  --ignore-table=name Do not dump the specified table. To specify more than one

                      table to ignore, use the directive multiple times, once

                      for each table.  Each table must be specified with both

                      database and table names, e.g.

                      --ignore-table=database.table

  --insert-ignore     Insert rows with INSERT IGNORE.

  --lines-terminated-by=name

                      Lines in the i.file are terminated by ...

  -x, --lock-all-tables

                      Locks all tables across all databases. This is achieved

                      by taking a global read lock for the duration of the

                      whole dump. Automatically turns --single-transaction and

                      --lock-tables off.

  -l, --lock-tables   Lock all tables for read.

  --master-data[=#]   This causes the binary log position and filename to be

                      appended to the output. If equal to 1, will print it as a

                      CHANGE MASTER command; if equal to 2, that command will

                      be prefixed with a comment symbol. This option will turn

                      --lock-all-tables on, unless --single-transaction is

                      specified too (in which case a global read lock is only

                      taken a short time at the beginning of the dump - don't

                      forget to read about --single-transaction below). In all

                      cases any action on logs will happen at the exact moment

                      of the dump.Option automatically turns --lock-tables off.

  --max_allowed_packet=#

  --net_buffer_length=#

  --no-autocommit     Wrap tables with autocommit/commit statements.

  -n, --no-create-db  'CREATE DATABASE db_name;' will

                      not be put in the output. The above line will be added

                      otherwise, if --databases or --all-databases option was

                      given.}.

  -t, --no-create-info

                      Don't write table creation info.

  -d, --no-data       No row information.

  -N, --no-set-names  Deprecated. Use --skip-set-charset instead.

  --opt               Same as --add-drop-table, --add-locks, --create-options,

                      --quick, --extended-insert, --lock-tables, --set-charset,

                      and --disable-keys. Enabled by default, disable with

                      --skip-opt.

  --order-by-primary  Sorts each table's rows by primary key, or first unique

                      key, if such a key exists.  Useful when dumping a MyISAM

                      table to be loaded into an InnoDB table, but will make

                      the dump itself take considerably longer.

  -p, --password[=name]

                      Password to use when connecting to server. If password is

                      not given it's solicited on the tty.

  -P, --port=#        Port number to use for connection.

  --protocol=name     The protocol of connection (tcp,socket,pipe,memory).

  -q, --quick         Don't buffer query, dump directly to stdout.

  -Q, --quote-names   Quote table and column names with backticks (`).

  -r, --result-file=name

                      Direct output to a given file. This option should be used

                      in MSDOS, because it prevents new line '/n' from being

                      converted to '/r/n' (carriage return + line feed).

  -R, --routines      Dump stored routines (functions and procedures).

  --set-charset       Add 'SET NAMES default_character_set' to the output.

                      Enabled by default; suppress with --skip-set-charset.

  -O, --set-variable=name

                      Change the value of a variable. Please note that this

                      option is deprecated; you can set variables directly with

                      --variable-name=value.

  --single-transaction

                      Creates a consistent snapshot by dumping all tables in a

                      single transaction. Works ONLY for tables stored in

                      storage engines which support multiversioning (currently

                      only InnoDB does); the dump is NOT guaranteed to be

                      consistent for other storage engines. Option

                      automatically turns off --lock-tables.

  --skip-opt          Disable --opt. Disables --add-drop-table, --add-locks,

                      --create-options, --quick, --extended-insert,

                      --lock-tables, --set-charset, and --disable-keys.

  -S, --socket=name   Socket file to use for connection.

  -T, --tab=name      Creates tab separated textfile for each table to given

                      path. (creates .sql and .txt files). NOTE: This only

                      works if mysqldump is run on the same machine as the

                      mysqld daemon.

  --tables            Overrides option --databases (-B).

  --triggers          Dump triggers for each dumped table

  --tz-utc            SET TIME_ZONE='+00:00' at top of dump to allow dumping of

                      TIMESTAMP data when a server has data in different time

                      zones or data is being moved between servers with

                      different time zones.

  -u, --user=name     User for login if not current user.

  -v, --verbose       Print info about the various stages.

  -V, --version       Output version information and exit.

  -w, --where=name    Dump only selected records; QUOTES mandatory!

  -X, --xml           Dump a database as well formed XML.

Variables (--variable-name=value)

and boolean options {FALSE|TRUE}  Value (after reading options)

--------------------------------- -----------------------------

all                               TRUE

all-databases                     FALSE

add-drop-database                 FALSE

add-drop-table                    TRUE

add-locks                         TRUE

allow-keywords                    FALSE

character-sets-dir                (No default value)

comments                          TRUE

compatible                        (No default value)

compact                           FALSE

complete-insert                   FALSE

compress                          FALSE

create-options                    TRUE

databases                         FALSE

default-character-set             utf8

delayed-insert                    FALSE

delete-master-logs                FALSE

disable-keys                      TRUE

extended-insert                   TRUE

fields-terminated-by              (No default value)

fields-enclosed-by                (No default value)

fields-optionally-enclosed-by     (No default value)

fields-escaped-by                 (No default value)

first-slave                       FALSE

flush-logs                        FALSE

force                             FALSE

hex-blob                          FALSE

host                              (No default value)

insert-ignore                     FALSE

lines-terminated-by               (No default value)

lock-all-tables                   FALSE

lock-tables                       TRUE

master-data                       0

max_allowed_packet                16776192

net_buffer_length                 1047551

no-autocommit                     FALSE

no-create-db                      FALSE

no-create-info                    FALSE

no-data                           FALSE

order-by-primary                  FALSE

port                              3306

quick                             TRUE

quote-names                       TRUE

routines                          FALSE

set-charset                       TRUE

single-transaction                FALSE

socket                            /tmp/mysql.sock

tab                               (No default value)

triggers                          TRUE

tz-utc                            TRUE

user                              (No default value)

verbose                           FALSE

where                             (No default value)

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