Summary

This chapter examined data-changing concepts, such as:

  • Editing data
  • Including the NULL column and using the Tab key
  • Applying a function to a value
  • Duplicating rows of data
  • Deleting data, tables, and databases

We also got an overview of structure-changing techniques such as:

  • How to add columns, including special column types such as TEXT, BLOB, ENUM, and SET
  • How to use a calendar pop up for DATE, DATETIME, and TIMESTAMP column types
  • How to upload binary data into a BLOB column
  • How to manage indexes (multi-column and full-text), and get feedback from MySQL about which indexes are used in a specific query

In the next chapter, we will learn how to export a table's structure and data for backup purposes, or to use as a gateway to another application.

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