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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
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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 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

Partitioning tables


You can distribute portions of individual tables across a filesystem using partitions. The user-selected rule by which the division of data is accomplished is known as a partitioning function, which can be modulus, simple matching against a set of ranges or value lists, an internal hashing function, or a linear hashing function.

Different rows of a table may be assigned to different physical partitions, which is called horizontal partitioning. MySQL does not have support for vertical partitioning, in which different columns of a table are assigned to different physical partitions.

There are many ways to partition a table:

  • RANGE: This type of partitioning assigns rows to partitions based on column values falling within a given range.
  • LIST: Similar to partitioning by RANGE, except that the partition is selected based on columns matching one of a set of discrete values.
  • HASH: With this type of partitioning, a partition is selected based on the value returned by a user-defined...
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