Summary

• 1 minute

In this module, you learned how PostgreSQL handles queries. You learned about the parser, rewriter, planner, and executor. You also learned how to display the execution plan using the EXPLAIN statement.

Now that you completed this module, you're able to:

• Identify the query processing components
• Understand EXPLAIN

For more information about the topics covered in this module, see:

• PostgreSQL: Documentation: Chapter 14: Using EXPLAIN