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MySQL 8 Cookbook

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

Product type Paperback

Published in Jan 2018

Publisher

ISBN-13 9781788395809

Length 446 pages

Edition 1st Edition

Tools

MySQL

Concepts

Database Administration

Author (1):

Karthik Appigatla

View More author details

Table of Contents (15) Chapters

Preface

1. MySQL 8 - Installing and Upgrading

2. Using MySQL FREE CHAPTER

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

Efficiently managing time to live and soft delete rows

RANGE COLUMNS is highly useful in managing time to live and soft delete rows. Suppose you have a application which specifies the expiry time of row (row to be deleted after it crosses the expiry time) and the expiry is varying.

Suppose the application can do the following types of inserts:

Insert persistent data
Insert with expiry

If the expiry is constant i.e all the rows inserted will be deleted after certain time, we can go with RANGE partitioning. But if the expiry is varying i.e some rows will be deleted in a week, some in a month, some in a year and some have no expiry, it is not possible to create partitions. In that case, you can use the RANGE COLUMNS partitioning explained below.

How it works...

We introduce a column called soft_delete which will be set by trigger. The soft_delete column will be part of range column partitioning.

Partitioning will be like (soft_delete, expires). The soft_delete and expires together controls which partition...

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Authors (1)

Karthik Appigatla

Karthik Appigatla

Karthik Appigatla is a highly reputed database architect and is very famous for performance tuning. He has been consulted by many companies all over the world for designing, performance tuning, building database infrastructure, and training. In his decade of experience, he has worked for companies such as Yahoo, Pythian, and Percona. Currently, he is working for LinkedIn, where he has innovated a new way of analyzing queries. He gave a talk about this at SRECon, Dublin in 2017.

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