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You're reading from  MariaDB Cookbook

Product typeBook
Published inMar 2014
Reading LevelBeginner
Publisher
ISBN-139781783284399
Edition1st Edition
Languages
SQL
Tools
MariaDB
Concepts
Databases
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Author (1)
Daniel Bartholomew
Daniel Bartholomew
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Daniel Bartholomew

Daniel Bartholomew has been using Linux since 1997 and databases since 1998. In addition to this book, he has also written MariaDB Cookbook, Packt Publishing, and dozens of articles for various magazines, including The Linux Journal, Linux Pro, Ubuntu User, and Tux. He became involved with the MariaDB project shortly after it began in early 2009 and continues to be involved to this day. He currently works for MariaDB, Inc. and splits his time between managing MariaDB releases, documentation, and maintaining various bits and pieces that keep the MariaDB project running smoothly.
Read more about Daniel Bartholomew

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Using SHOW STATUS to check if a feature is being used

The SHOW STATUS command shows information about the server. This includes things such as the number of bytes of data received and sent by the server, the number of connections served, the number of rows read, and so on. The command can also be used to check whether a feature has been enabled or is being used.

How to do it...

  1. Launch the mysql command-line client and connect to our MariaDB database server.

  2. Uninstall the Cassandra storage engine with:

    UNINSTALL SONAME 'ha_cassandra.so';

  3. MariaDB will either respond with a Query OK message (if the Cassandra storage engine was installed and has now been uninstalled) or it will give the SONAME ha_cassandra.so does not exist error (if the Cassandra storage engine was not installed). Either of the messages is ok.

  4. Issue the following SHOW STATUS command to see if the Cassandra storage engine is installed. The result will be an Empty set, which means that it is not installed:

    SHOW STATUS LIKE 'Cassandra...
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MariaDB Cookbook
Published in: Mar 2014Publisher: ISBN-13: 9781783284399
© 2014 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Daniel Bartholomew

Daniel Bartholomew has been using Linux since 1997 and databases since 1998. In addition to this book, he has also written MariaDB Cookbook, Packt Publishing, and dozens of articles for various magazines, including The Linux Journal, Linux Pro, Ubuntu User, and Tux. He became involved with the MariaDB project shortly after it began in early 2009 and continues to be involved to this day. He currently works for MariaDB, Inc. and splits his time between managing MariaDB releases, documentation, and maintaining various bits and pieces that keep the MariaDB project running smoothly.
Read more about Daniel Bartholomew

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