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2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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This article introduces the knowledge of "sharing some solutions to mysql garbled". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
A new library has been created, which is encoded by default. Then import the utf8-encoded tables and data. It turned out to be all garbled. It still doesn't work to change the encoding of the sql file. Finally, it was found that the utf8 code was not set when building the library. As a result, with the following record, the problem can be solved.
Build the database:
CREATE DATABASE `mydb` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci
Also record the relevant actions:
Import sql Fil
-h localhost-u root-p mydbname
< data.sql; 导出sql mysqldump -h localhost -u root -p --default-character-set=utf8 mydbname >Data.sql
Build a table:
DROP TABLE IF EXISTS `mytablename`
SET @ saved_cs_client = @ @ character_set_client
SET character_set_client = utf8
CREATE TABLE `mytablename` (
`id`int (10) unsigned NOT NULL auto_increment
`int10` int (10) unsigned NOT NULL
`char2`char (2)
`varchar100` varchar (100) NOT NULL
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=utf8
SET character_set_client = @ saved_cs_client
Insert data:
LOCK TABLES `mytablename` WRITE
INSERT INTO `mytablename` (`id`, `int10`, `char2`, `varchar100`) VALUES (1Min 123456, "ab", "adsfsadf")
UNLOCK TABLES
Create a user (set permissions, password)
GRANT ALL PRIVILEGES ON *. * TO 'user'@'localhost' IDENTIFIED BY' 123456'
GRANT ALL PRIVILEGES ON *. * TO 'user'@'127.0.0.1' IDENTIFIED BY' 123456'
ALL PRIVILEGES is all permissions. Optional: select,insert,update,delete,create,drop, etc.
*. * means: some library. Some table
Localhost can only log in locally, if set to:% for any location
Change the password:
Mysqladmin-u root-p password 456789
View all users:
Select host,user from mysql.user
Finally, in order to avoid the occurrence of garbled codes, we should do the following: file coding + page coding + database coding + application server coding + unified operating system coding.
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