The scenario in which RENAME DATABASE is employed by mysqlcheck is the following: - if there is a database name that contains special characters, such as, e.g., '-' - this database name is converted to the new format, in which these characters are replaced with encoded sequence in ...
#列出老数据库下都有那些表,其中N和s参数起到的作用是格式化,有点类似于Oracle下sqlplus里的pagesize #用for循环来rename。echo1mysql-h127.0.0.1-uroot -proot -e'create database if not exists hive_cdh_1_1'echo2list_table=$(mysql -h127.0.0.1-uroot -proot -Nse"select table_name from informatio...
RENAME DATABASE语句,但在后续版本中,包括MySQL 5.7,这一功能已被移除或不再可用。这意味着你无法直接使用SQL命令来重命名数据库。 替代解决方案 为了模拟“重命名数据库”的操作,你可以采取以下步骤: 备份数据库: 在执行任何重命名操作之前,强烈建议先备份数据库,以防止数据丢失。
MySQLConnector+ host: string+ user: string+ password: string+ database: string+connect() : void+close() : void+execute(query: string) : void+commit() : void+rollback() : void 关系图 下面是表示MySQL连接和数据库的关系图: erDiagram MySQLConnector ||..o{ Database: has class Database{ ...
1. 连接到mysql数据库 首先,你需要使用命令行或者mysql客户端连接到mysql数据库: mysql-u root-p 1. 2. 切换到要修改的数据库 接着,你需要切换到要修改名称的数据库: USEold_database; 1. 3. 执行ALTER DATABASE语句 然后,执行ALTER DATABASE语句来修改数据库名称: ...
echo "createdatabase$3DEFAULTCHARACTERSET$character_set" mysql-h $1-e "createdatabase$3DEFAULTCHARACTERSET$character_set" TRIGGERS=`mysql-h $1$2-e "show triggersG"|grepTrigger:|awk'{print $2}'` VIEWS=`mysql-h $1-e "selectTABLE_NAMEfrominformation_schema.tableswheretable_schema='$2'and...
MySQL in a Nutshell, 2nd Edition by Russell J. T. Dyer Name RENAME DATABASE Synopsis RENAME {DATABASE|SCHEMA} database TO database[,...] Use this statement to rename a given database to a new name, given after the TO keyword. While a database is being renamed, no other client can...
And lastly, import the dump file to the new database: $ mysql -u username -ppassword new_db_name < db_name.sql Dumping using TablePlus In TablePlus, you have two options to backup and restore a MySQL database: 1. Using Import & Export Wizard ...
MySQL数据库-名称修改：RENAME DATABASE（用于老版本）不过，处于安全考虑，MySQL从5的部分版本已经开始舍弃该语句。有的资料说5.1.23 之前的旧版本中可以使用，之后的不可以。不过，笔者未能从官方文档中，得到具体的版本号！撰写本文时，基本都开始在使用8.0以上版本，部分在用5.7版本。发现都不能使用该语句。
> found to be dangerous and was removed in MySQL > 5.1.23 > > To perform the task of upgrading database names > with the new encoding, use ALTER DATABASE db_name > UPGRADE DATA DIRECTORY NAME instead I'm not sure why this whole database renaming for the current version is so cloak...