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1.5.6 Interoperability Features Between MaxDB and MySQL
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MaxDB and MySQL are independent database management servers. The
interoperation of the systems is possible in a way that the systems can
exchange their data. To exchange data between MaxDB and MySQL, you can
use the import and export tools of the systems or the MaxDB
Synchronization Manager. The import and export tools can be used to
transfer data in an infrequent, manual fashion. The MaxDB
Synchronization Manager offers faster, automatic data transfer
capabilities.
The MaxDB Loader can be used to export data and object definitions. The
Loader can export data using MaxDB internal, binary formats and text
formats (CSV). Data exported from MaxDB in text formats can be imported
into MySQL using the `mysqlimport' client program. To export MySQL
data, you can use either `mysqldump' to create `INSERT' statements or
`SELECT ... INTO OUTFILE' to create a text file (CSV). Use the MaxDB
Loader to import the data files generated by MySQL.
Object definitions can be exchanged between the systems using MaxDB
Loader and the MySQL tool `mysqldump'. As the SQL dialects of both
systems differ slightly and MaxDB has features currently not supported
by MySQL like SQL constraints, we recommend to hand-tune the definition
files. The `mysqldump' tool offers an option -compatible=maxdb to
produce output that is compatible to MaxDB to make porting easier.
The MaxDB Synchronization Manager is available as part of MaxDB 7.6.
The Synchronization Manager supports creation of asynchronous
replication scenarios between several MaxDB instances. However,
interoperability features also are planned, so that the Synchronization
Manager supports replication to and from a MySQL server.
In the first release, the Synchronization Manager supports inserting
data into MySQL. This means that initially only replication from MaxDB
to MySQL is supported. In the course of 2005, exporting of data from a
MySQL server to the Synchronization Manager will be added, thus adding
support for MySQL to MaxDB replication scenarios.
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