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UTF8 is a way to encode characters as numbers, a so-called encoding.
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My application uses Hibernate for persistence and uses java persistence annotations to specify the hibernate mappings. CREATE DATABASE 'exampledb' WITH OWNER 'postgres' ENCODING 'UTF8' LCCOLLATE 'enUS.UTF-8' LCCTYPE 'enUS.UTF-8' TEMPLATE template0 There is no UTF8 collation. Still the tables created inside it had the collation latin1_swedish_ci. Now it was a little clearer that the problem was caused by the Romanian characters (and the error message was just stupid), so the next thing to do was to figure out why the database table didn’t store UTF-8 characters.Ĭreate database mydb character set utf8 collate utf8_general_ci Instead the one thing that was noticeable about my String value was that it contained non-ASCII characters (particularly Romanian characters with diacritics).Īfter a little search on the web, I found the following mysql bug description Ī comment on that page ( ) also contains some more links to similar bug descriptions. This sets the encoding to UTF-8 and the default storage engine to the INNODB with transactions support. The confusing thing was that the column was of type ‘ text‘ (length=65536), and I then changed it to type ‘ mediumtext‘ (length=16777215), but the value that I was trying to persist had only around 6000 characters, so it was not a problem with the data length. mysql default-character-set utf8 mysqld character-set-server utf8 collation-server utf8bin default-storage-engine INNODB. The default InnoDB storage engine provides SQL Standard required database features, ACID transactions, referential integrity, etc. option when creating your database, like so: CREATE DATABASE dbname CHARACTER SET utf8 COLLATE utf8bin. : Data truncation: Data too long for column 'my_column' Answer (1 of 3): MySQL has storage engines to decide how and where the table data is stored.
#Mysql create database utf8 innodb install#
The first confusing thing was that the error message returned by mysql was mysql create database set utf8 and innodb mysql create database utf8 create database utf8 Learn how Grepper helps you improve as a Developer INSTALL GREPPER FOR. Yesterday I encountered a problem when trying to persist a String value into a MySQL column of type ‘ text‘ (the problem also occurs for column types ‘ tinytext‘, ‘ mediumtext‘ etc.)