UPDATE MYSQL UPDATE
UPDATE customers SET state 'California', customerrep 32 WHERE customerid > 100 When you wish to update multiple columns, you can do this by separating the column/value pairs with commas. MariaDB will convert old archive tables to the new 5.1 format (note: new feature in testing). Let's look at a MySQL UPDATE example where you might want to update more than one column with a single UPDATE statement.MariaDB will convert InnoDB tables (no need to do a dump/restore or ALTER TABLE).MariaDB will convert long table names properly.The following differences exists between "mysql_upgrade" in MariaDB and MySQL (as of MariaDB 5.1.50):
UPDATE MYSQL MANUAL
Most of the things in the MySQL 5.1 manual section also applies to MariaDB. If you have trouble with "mysql_upgrade", you can run these commands separately to get more information of what is going on. "mysql_upgrade" works by calling mysqlcheck with different options and running the "mysql_fix_privileges" script. You will get an error "ERROR 1459 (HY000): Table upgrade required" when accessing the table.When searching on key values you may not find all rows.You will get warnings in the error log every time you access a table with an invalid (old) file name.If you don't convert the tables, one of the following things may happen: Old table names that contains forbidden file name characters will show up prefixed with #mysql50# in SHOW TABLES until you convert them. In MySQL 5.1 table names are encoded so that the file names are identical on all computers.The format for storing table names has changed.ARCHIVE changed storage format between 5.0 and 5.1.DECIMAL and VARCHAR changed format between MySQL 4.1 and MySQL 5.0.A field type has changed storage format.The collation (sorting order) for an index column has changed.There are a variety of reasons tables need to be converted they could be any of the following: "mysql_upgrade" reads the my.cnf sections and for default values. If you want to connect with a socket do: mysql_upgrade -socket=127.0.0.1 -protocol=socket If you want to run with a specific TCP/IP port do: mysql_upgrade -host=127.0.0.1 -port=3308 -protocol=tcp In almost all cases mysql_upgrade should be able to convert your tables, without you having to dump and restore your data.Īfter installing MariaDB, just do: mysql_upgrade -verbose This will also update your privilege tables in the mysql database to the latest format.
Run the mysql_upgrade program to convert data that are incompatible between versions. When upgrading between different major versions of MariaDB or MySQL you need to If you upgrade to MariaDB 5.1 from MySQL 5.1 you don't have to do anything with your data or MySQL clients.
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