For example, if you're been storing UTF-8 data in a Latin1 column and you change the character set directly from Latin1 to UTF-8, it'll still be mis-encoded afterwards. This can be worked around by converting from Latin-1 to UTF-8 via binary. Explained. The first command replaces all instances of DEFAULT CHARACTER SET latin1 with DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci. This is used to fix up the database's default charset and collation. The second command replaces all instances of DEFAULT CHARSET=latin1 with DEFAULT CHARSET=utf8. How to change all the tables in my database to UTF8 character set? Ask Question ALTER TABLE tab CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci; How to get the sizes of the tables of a MySQL database?

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alter database character set utf8 mysql

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This does not convert existing tables, it only sets the default for newly created tables. ALTER DATABASE dbname CHARACTER SET utf8 COLLATE utf8_general_ci; Then, you will need to convert the char set on all existing tables and their columns. This assumes that your current data is . For example, if you're been storing UTF-8 data in a Latin1 column and you change the character set directly from Latin1 to UTF-8, it'll still be mis-encoded afterwards. This can be worked around by converting from Latin-1 to UTF-8 via binary. Explained. The first command replaces all instances of DEFAULT CHARACTER SET latin1 with DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci. This is used to fix up the database's default charset and collation. The second command replaces all instances of DEFAULT CHARSET=latin1 with DEFAULT CHARSET=utf8. The character set and collation for the default database can be determined from the values of the character_set_database and collation_database system variables. The server sets these variables whenever the default database changes. How to change all the tables in my database to UTF8 character set? Ask Question ALTER TABLE tab CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci; How to get the sizes of the tables of a MySQL database? Or if you're still on MySQL or older which didn't support 4-byte UTF-8, use utf8 ALTER DATABASE databasename CHARACTER SET utf8 COLLATE. You can back up a MySQL database using To change the character set encoding to. MySQL: changing database character set and collate might need to add these if converting to a wider character set (i.e. from utf8 to utf8mb4). You can change the character set and collation Please see this article for instructions: Export and import MySQL databases. utf8_general_ci is the most common utf8 collation. Every database has a database character set and a database collation. The CREATE DATABASE and ALTER DATABASE statements have optional clauses for. ALTER TABLE t MODIFY col1 CHAR(50) CHARACTER SET utf8;. Conversion may be lossy if the column contains characters that are not in both character sets. You need to do two things. 1) Change your mysql to have utf8mb4 as its character set and 2) Change your database. So one way to convert to utf8 is to go table by table and type the SQL command: is a list of SQL commands to alter the collation and character set of all tables. The default character set for MySQL is latin1, with a default database collation of latin1_swedish_ci. You can also change the encoding to utf8 which is a is a. Find database, database tables, and database columns with collations ALTER DATABASE CHARACTER SET utf8. -

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