February 2018
Intermediate to advanced
510 pages
16h 10m
English
This storage engine allows you to create a single database on a multiple physical server. It opens a client connection to another server and executes queries against a table there, retrieving and sending rows as needed. It was originally marketed as a competitive feature that supported many enterprise-grade proprietary database servers, such as Microsoft SQL Server and Oracle, but that was always a stretch, to say the least. Although it seemed to enable a lot of flexibility and neat tricks, it has proven to be a source of many problems and is disabled by default. This storage engine is disabled by default in MySQL; to enable it, you need to start the MySQL server binary using the federated option.
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