mysql入门学习之十六：MYSQL命令参数详解
一、MYSQL命令行参数的详细说明
Usage:mysql [OPTIONS] [database]
下面为各选项的详细说明：
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-?, –help |
显示帮助信息并退出 |
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-I, –help |
显示帮助信息并退出 |
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–auto-rehash |
自动补全功能，就像linux里面，按Tab键出提示差不多 |
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-A, –no-auto-rehash |
默认状态是没有自动补全功能的。-A就是不要自动补全功能 |
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-B, –batch |
mysql不使用历史文件，禁用交互 |
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–character-sets-dir=name |
字体集的安装目录 |
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–default-character-set=name |
设置数据库的默认字符集 |
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–column-type-info |
结果集返回时，同时显示字段的类型等相关信息 |
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-c, –comments |
Preserve comments. Send comments to the server. The default is –skip-comments (discard comments), enable with –comments |
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-C, –compress |
在客户端和服务器端传递信息时使用压缩 |
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-#, –debug[=#] |
bug调用功能 |
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-D, –database=name |
使用哪个数据库 |
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–default-character-set=name |
设置默认的字符集 |
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–delimiter=name |
设置默认命令结束符 |
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-e, –execute=name |
执行mysql的sql语句 |
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-E, –vertical |
垂直打印查询输出 |
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-f, –force |
如果有错误跳过去，继续执行下面的 |
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-G, –named-commands |
Enable named commands. Named commands mean this program’s internal commands; see mysql> help . When enabled, the named commands can be used from any line of the query, otherwise only from the first line, before an enter. Disable with –disable-named-commands. This option is disabled by default. |
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-g, –no-named-commands |
Named commands are disabled. Use /* form only, or use named commands only in the beginning of a line ending with a semicolon (;) Since version 10.9 the client now starts with this option ENABLED by default! Disable with ‘-G’. Long format commands still work from the first line. WARNING: option deprecated; use –disable-named-commands instead. |
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-i, –ignore-spaces |
忽视函数名后面的空格. |
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–local-infile |
启动/禁用LOAD DATA LOCAL INFILE. |
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-b, –no-beep |
sql错误时，禁止嘟的一声 |
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-h, –host=name |
设置连接的服务器名或者Ip |
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-H, —html |
以html的方式输出 |
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-X, –xml |
以xml的方式输出 |
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–line-numbers |
显示错误的行号 |
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-L, –skip-line-numbers |
忽略错误的行号 |
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-n, –unbuffered |
每执行一次sql后，刷新缓存 |
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–column-names |
查寻时显示列信息，默认是加上的 |
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-N, –skip-column-names |
不显示列信息 |
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-O, –set-variable=name |
设置变量用法是–set-variable=var_name=var_value |
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–sigint-ignore |
忽视SIGINT符号(登录退出时Control-C的结果) |
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-o, –one-database |
忽视除了为命令行中命名的默认数据库的语句。可以帮跳过日志中的其它数据库的更新。 |
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–pager[=name] |
使用分页器来显示查询输出，这个要在linux可以用more,less等。 |
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–no-pager |
不使用分页器来显示查询输出。 |
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-p, –password[=name] |
输入密码 |
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-W, –pipe |
Use named pipes to connect to server. |
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-P, –port=# |
设置端口 |
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–prompt=name |
设置mysql提示符 |
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–protocol=name |
设置使用的协议 |
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-q, –quick |
不缓存查询的结果，顺序打印每一行。如果输出被挂起，服务器会慢下来，mysql不使用历史文件。 |
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-r, –raw |
写列的值而不转义转换。通常结合–batch选项使用。 |
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–reconnect |
如果与服务器之间的连接断开，自动尝试重新连接。禁止重新连接，使用–disable-reconnect。 |
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-s, –silent |
一行一行输出，中间有tab分隔 |
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-S, —socket=name |
连接服务器的sockey文件 |
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–ssl |
激活ssl连接，不激活–skip-ssl |
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–ssl-ca=name |
CA file in PEM format (check OpenSSL docs, implies –ssl). |
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–ssl-capath=name |
CA directory (check OpenSSL docs, implies –ssl). |
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–ssl-cert=name |
X509 cert in PEM format (implies –ssl). |
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–ssl-cipher=name |
SSL cipher to use (implies –ssl). |
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–ssl-key=name |
X509 key in PEM format (implies –ssl). |
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–ssl-verify-server-cert |
连接时审核服务器的证书 |
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-t, –table |
以表格的形式输出 |
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–tee=name |
将输出拷贝添加到给定的文件中，禁时用–disable-tee |
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–no-tee |
根–disable-tee功能一样 |
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-u, –user=name |
用户名 |
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-U, –safe-updates |
Only allow UPDATE and DELETE that uses keys. |
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-U, –i-am-a-dummy |
Synonym for option –safe-updates, -U. |
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-v, –verbose |
输出mysql执行的语句 |
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-V, –version |
版本信息 |
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-w, –wait |
服务器down后，等待到重起的时间 |
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–connect_timeout=# |
连接前要等待的时间 |
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–max_allowed_packet=# |
服务器接收／发送包的最大长度 |
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–net_buffer_length=# |
tcp/IP和套接字通信缓冲区大小。 |
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–select_limit=# |
使用–safe-updates时SELECT语句的自动限制 |
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–max_join_size=# |
使用–safe-updates时联接中的行的自动限制 |
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–secure-auth |
拒绝用(pre-4.1.1)的方式连接到数据库 |
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–server-arg=name |
Sendembeddedserverthisasaparameter. |
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–show-warnings |
显示警告 |
二、部分使用示例
C:/Users/qxl>mysql -uroot -D test -e "show tables;" +-----------------------+ | Tables_in_test | +-----------------------+ | newname | | productnotes | | student | | t_goods | C:/Users/qxl>mysql -uroot -D test -e "show tables;" -B Tables_in_test newname productnotes student t_goods C:/Users/qxl>mysql -uroot -D test --default-character-set=gbk Welcome to the MySQL monitor. Commands end with ; or /g. Your MySQL connection id is 20 Server version: 5.1.28-rc-community MySQL Community Server (GPL) Type 'help;' or '/h' for help. Type '/c' to clear the buffer. mysql> show variables like '%char%'; +--------------------------+------------------------------------------+ | Variable_name | Value | +--------------------------+------------------------------------------+ | character_set_client | gbk | | character_set_connection | gbk | | character_set_database | latin1 | | character_set_filesystem | binary | | character_set_results | gbk | | character_set_server | latin1 | | character_set_system | utf8 | | character_sets_dir | D:/APMServ5.2.6/MySQL5.1/share/charsets/ | +--------------------------+------------------------------------------+ C:/Users/qxl>mysql -uroot -D test --delimiter=// Welcome to the MySQL monitor. Commands end with ; or /g. Your MySQL connection id is 21 Server version: 5.1.28-rc-community MySQL Community Server (GPL) Type 'help;' or '/h' for help. Type '/c' to clear the buffer. mysql> use test// Database changed mysql> select count(*) from test.newname// C:/Users/qxl>mysql -uroot -D mysql -e "show tables;" -H <TABLE BORDER=1><TR><TH>Tables_in_mysql</TH></TR><TR><TD>columns_priv</TD></TR><TR><TD>db</TD></TR>< TR><TD>event</TD></TR><TR><TD>func</TD></TR><TR><TD>general_log</TD></TR><TR><TD>help_category</TD>< /TR><TR><TD>help_keyword</TD></TR><TR><TD>help_relation</TD></TR><TR><TD>help_topic</TD></TR><TR><TD >host</TD></TR><TR><TD>ndb_binlog_index</TD></TR><TR><TD>plugin</TD></TR><TR><TD>proc</TD></TR><TR>< TD>procs_priv</TD></TR><TR><TD>servers</TD></TR><TR><TD>slow_log</TD></TR><TR><TD>tables_priv</TD></ TR><TR><TD>time_zone</TD></TR><TR><TD>time_zone_leap_second</TD></TR><TR><TD>time_zone_name</TD></TR ><TR><TD>time_zone_transition</TD></TR><TR><TD>time_zone_transition_type</TD></TR><TR><TD>user</TD>< /TR></TABLE> C:/Users/qxl>mysql -uroot -D mysql -e "show tables;" -X <?xml version="1.0"?> <resultset statement="show tables" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <row> <field name="Tables_in_mysql">columns_priv</field> </row> <row> <field name="Tables_in_mysql">db</field> </row> <row> <field name="Tables_in_mysql">event</field> </row> <row> <field name="Tables_in_mysql">func</field> </row> </resultset> C:/Users/qxl>mysql -uroot -D mysql --prompt="this is my database!" Welcome to the MySQL monitor. Commands end with ; or /g. Your MySQL connection id is 27 Server version: 5.1.28-rc-community MySQL Community Server (GPL) Type 'help;' or '/h' for help. Type '/c' to clear the buffer. this is my database!
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