将MySQL数据库从拉丁转换为UTF-8 [英] Convert a MySQL database from latin to UTF-8
问题描述
我将网站从ISO转换为UTF-8,所以我需要转换MySQL数据库。
在互联网上,我阅读各种解决方案,不知道选择哪一个。
我真的需要将我的varchar列转换为二进制,然后转换为UTF-8:
ALTER TABLE t MODIFY col BINARY(150);
ALTER TABLE t MODIFY col CHAR(150)CHARACTER SET utf8;
每个数据库的每个表的每一列都需要很长时间。 / p>
我有10个数据库,每个20个表,大约2-3个varchar列(每列2个查询),这给了我 / strong>!如何做?
已解决:
我发布我使用的代码:
PASSWORD =
db = $ 1
mysqldump --password = $ PASSWORD --set-charset --skip -set-charset --add-drop-table --databases$ db> /home/dev/backup/bdd.sql
QUERY =ALTER DATABASE \`$ db \ DEFAULT CHARACTER SET utf8;
mysql --password = $ PASSWORD --database$ db-e$ QUERY
mysql --password = $ PASSWORD --default-character-set = utf8& /home/dev/backup/bdd.sql
有关详细信息,请参阅下面的答案。
你可以很容易地使用转储。使用
进行转储 mysqldump --skip-opt --set-charset --skip-set-charset
然后创建另一个数据库,将其默认字符集设置为UTF-8,然后加载您的转储:
mysql --default-character-set =< your iso encoding>
主要思想是做一个没有任何数据编码符号的转储。
因此,在创建时,表的编码将从数据库编码继承,并设置为UTF-8。用 - default-character-set
我们告诉MySQL自动重新编码我们的数据。
I am converting a website from ISO to UTF-8, so I need to convert the MySQL database too.
On the Internet, I read various solutions, I don't know which one to choose.
Do I really need to convert my varchar columns to binary, then to UTF-8 like that:
ALTER TABLE t MODIFY col BINARY(150);
ALTER TABLE t MODIFY col CHAR(150) CHARACTER SET utf8;
It takes a long time to do that for each column, of each table, of each database.
I have 10 databases, with 20 tables each, with around 2 - 3 varchar columns (2 queries each column), this gives me around 1000 queries to write! How to do it?
Resolved : I post the code that I have used:
PASSWORD=""
db=$1
mysqldump --password=$PASSWORD --set-charset --skip-set-charset --add-drop-table --databases "$db" > /home/dev/backup/bdd.sql
QUERY="ALTER DATABASE \`$db\` DEFAULT CHARACTER SET utf8;"
mysql --password=$PASSWORD --database "$db" -e "$QUERY"
mysql --password=$PASSWORD --default-character-set=utf8 < /home/dev/backup/bdd.sql
See the answer below for more information.
You can do that very easily using a dump. Make a dump using
mysqldump --skip-opt --set-charset --skip-set-charset
Then create another database, set its default character set to UTF-8 and then load your dump back with:
mysql --default-character-set=<your iso encoding>
The main idea is to make a dump without any sign of data encoding.
So, at create time, the table's encoding would be inherit from the database encoding and set to UTF-8. And with --default-character-set
we tell MySQL to recode our data automatically.
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