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MySQL 8 Cookbook

You're reading from   MySQL 8 Cookbook Over 150 recipes for high-performance database querying and administration

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Product type Paperback
Published in Jan 2018
Publisher
ISBN-13 9781788395809
Length 446 pages
Edition 1st Edition
Tools
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Author (1):
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Karthik Appigatla Karthik Appigatla
Author Profile Icon Karthik Appigatla
Karthik Appigatla
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Table of Contents (15) Chapters Close

Preface 1. MySQL 8 - Installing and Upgrading FREE CHAPTER 2. Using MySQL 3. Using MySQL (Advanced) 4. Configuring MySQL 5. Transactions 6. Binary Logging 7. Backups 8. Restoring Data 9. Replication 10. Table Maintenance 11. Managing Tablespace 12. Managing Logs 13. Performance Tuning 14. Security

Setting up replication filters


You can control which tables or databases are to be replicated. On the master, you can control which databases to log changes for by using the --binlog-do-db and --binlog-ignore-db options to control binary logging, as mentioned in Chapter 6, Binary Logging. The better way is to control on the slave side. You can execute or ignore statements received from the master by using--replicate-* options or dynamically by creating replication filters.

How to do it...

To create a filter, you need to execute the CHANGE REPLICATION FILTER statement.

Replicate a database only

Assume that you want to replicate db1 and db2 only. Use the following statement to create the replication filter.

mysql> CHANGE REPLICATION FILTER REPLICATE_DO_DB = (db1, db2);

Note that you should specify all the databases inside parentheses.

Replicate specific tables

You can specify the tables you want to be replicated using REPLICATE_DO_TABLE:

mysql> CHANGE REPLICATION FILTER REPLICATE_DO_TABLE = ...
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