mysql change column character set
CREATE TABLE t1 ( col1 VARCHAR(5) CHARACTER SET latin1 COLLATE latin1_german1_ci ); ALTER TABLE t1 MODIFY col1 VARCHAR(5) CHARACTER SET latin1 COLLATE latin1_swedish_ci;. MySQL chooses the column character set and collation in the following manner: If bot, Try this: ALTER TABLE t MODIFY col1 CHAR(50) CHARACTER SET utf8; ...
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 mysql change column character set 相關參考資料
MySQL 5.7 Reference Manual :: 10.7 Column Character Set Conversion
To convert a binary or nonbinary string column to use a particular character set, use ALTER TABLE . For successful conversion to occur, one of the following conditions must apply: If the column has a ... https://dev.mysql.com MySQL 5.7 Reference Manual :: 10.3.5 Column Character Set and ...
CREATE TABLE t1 ( col1 VARCHAR(5) CHARACTER SET latin1 COLLATE latin1_german1_ci ); ALTER TABLE t1 MODIFY col1 VARCHAR(5) CHARACTER SET latin1 COLLATE latin1_swedish_ci;. MySQL chooses the column char... https://dev.mysql.com utf 8 - Mysql: Set column charset - Stack Overflow
Try this: ALTER TABLE t MODIFY col1 CHAR(50) CHARACTER SET utf8; ... https://stackoverflow.com mysql - How to change collation of database, table, column ...
You need to either convert each table individually: ALTER TABLE mytable CONVERT TO CHARACTER SET utf8. (this will convert the columns just as well), or export the database with latin1 and import it b... https://stackoverflow.com utf 8 - How to change character encoding for column in mysql table ...
You probably have 2 rows because it is two different tables in two different databases. Do SELECT * ... instead of SELECT character_set_name ... . ALTER TABLE mytable MODIFY my_col LONGTEXT CHARACTER... https://stackoverflow.com database - Mysql change column collation and character set of ...
As far as I know, you cannot run ALTER TABLE commands on the tables in information_schema . Instead you will probably want to take a look at the character_set_* variabes. You can see which variables ... https://stackoverflow.com mysql - How to change Column Collation without losing or changing ...
You must change CHANGE by MODIFY. The first step is to convert the column to a binary data type, which removes the existing character set information without performing any character conversion: ALTE... https://stackoverflow.com character encoding - How to convert an entire MySQL database ...
Then, you will need to convert the char set on all existing tables and their columns. This assumes that your current data is actually in the current char set. If your columns are set to one char set ... https://stackoverflow.com MySQL: Converting an incorrect latin1 column to utf8 | NicJ.net
You can specify a default character set per MySQL server, database, or table. The defaults for a database will get applied to new tables, and the defaults for a table will get applied to new columns.... https://nicj.net |