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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

Locking

There are two types of locking:

  • Internal locking: MySQL performs internal locking within the server itself to manage contention for table contents by multiple sessions
  • External locking: MySQL gives the option to client sessions to acquire a table lock explicitly for preventing other sessions from accessing the table

Internal locking: There are mainly two types of locks:

  • Row-level locks: The locking is granular to the level of rows. Only the rows that are accessed are locked. This allows simultaneous write access by multiple sessions, making them suitable for multi-user, highly concurrent, and OLTP applications. Only InnoDB supports row-level locks.
  • Table-level locks: MySQL uses table-level locking for MyISAM, MEMORY, and MERGE tables, permitting only one session to update those tables at a time. This locking level makes these storage engines more suitable for read-only...
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