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section 查询所有数据库 Query: SHOW DATABASES section 过滤系统库 Query: SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME NOT IN ('information_schema', 'mysql', 'performance_schema', 'sys') section 导出结果 Command: INTO OUTFILE '/path/to/output_file.txt' 通过旅行图,我们可...
INSERT(str,x,y,instr) 将字符串str从第x位置开始,y个字符长的子串替换为字符串instr,返回结果 FIND_IN_SET(str,list)分析逗号分隔的list列表,如果发现str,返回str在list中的位置 LCASE(str)或LOWER(str) 返回将字符串str中所有字符改变为小写后的结果 LEFT(str,x)返回字符串str中最左边的x个字符 LENGTH(s...
root@harbor:/data/k8sdata/magedu# cat /etc/exports#/etc/exports: the access control listforfilesystemswhichmay be exported#to NFS clients. See exports(5).## Example for NFSv2 and NFSv3:#/srv/homes hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)## Example for...
1、进入MySQL:启动MySQL Command Line Client(MySQL的DOS界面),直接输入安装时的密码即可。此时的提示符是:mysql> 2、退出MySQL:quit或exit 二、库操作 1、、创建数据库 命令:create database <数据库名> 例如:建立一个名为xhkdb的数据库 mysql> create database xhkdb; ...
mysql> alter user 'root'@'localhost' identified by "MyNewP@sswd1"; Query OK, 0 rows affected (0.00 sec) mysql> \q #使用新密码进行测试 [root@7ab22243eaf9 /]# mysql -pMyNewP@sswd1 -e "show databases;" mysql: [Warning] Using a password on the command line interface can be ...
#首先使用mysqladmin关闭已存在的mysqld root@localhost[(none)]> system mysqladmin -uroot -pxxx shutdown -S /tmp/mysql3306.sock Warning: Using a password on the command line interface can be insecure. 141025 14:47:18 mysqld_safe mysqld from pid file /var/lib/mysql/my3306.pid ended root...
show databases;:查看目前MySQL中拥有的所有库。 show engines;:查看当前数据库支持的所有存储引擎。 use 库名;:使用/进入指定的某个数据库。 show status;:查看当前数据库的状态信息。 show grants;:查看当前连接的权限信息。 show errors;:查看当前库中记录的错误信息。 show warnings:查看当前库抛出的所有警告信...
For user root ... mysql -uroot -p -e 'show databases;' or if you want them on one logical line ... mysql -uroot -p -e 'select group_concat(schema_name) from information_schema.schemata;' Subject Written By Posted How to list databases from Linux command list?
Show MySQL Databases To show all databases in MySQL, follow the steps below: 1. Open a terminal window and enter the following command: mysql -u username -pCopy Replaceusernamewith your username (orroot). When prompted, enter the password for that username (Omit the-pif the user doesn’t...