Change Char Set

Change character set of a database
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Run the following command from mysql prompt

DB="<db_name>"; ( echo 'ALTER DATABASE `'"$DB"'` CHARACTER SET utf8 COLLATE utf8_general_ci;'; mysql "$DB" -e "SHOW TABLES" --batch --skip-column-names | xargs -I{} echo 'ALTER TABLE `'{}'` CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;' ) | mysql "$DB"

NOTE: replace the db_name with your database name.