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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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Toc

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

Creating tables


While defining columns in a table, you should mention the name of the column, datatype (integer, floating point, string, and so on), and default value (if any). MySQL supports various datatypes. Refer to the MySQL documentation for more details (https://dev.mysql.com/doc/refman/8.0/en/data-types.html). Here is an overview of all datatypes. The  JSON datatype is a new extension, which will be discussed in Chapter 3, Using MySQL (Advanced):

  1. Numeric: TINYINT, SMALLINT, MEDIUMINT, INT, BIGINT, and BIT.
  2. Floating numbers: DECIMAL, FLOAT, and DOUBLE.
  3. Strings: CHAR, VARCHAR, BINARY, VARBINARY, BLOB, TEXT, ENUM, and SET.
  4. Spatial datatypes are also supported. Refer to https://dev.mysql.com/doc/refman/8.0/en/spatial-extensions.html for more details.
  5. The JSON datatype - discussed in detail in the next chapter.

You can create many tables inside a database.

How to do it...

The table contains the column definition:

mysql> CREATE TABLE IF NOT EXISTS `company`.`customers` (
`id` int unsigned AUTO_INCREMENT...
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