SQL Practice: Deleting Data with DELETE Statements

SQL Practice: Deleting Data with DELETE Statements

32mIntermediate2024-11-05

Authors

Walter Shields

Walter Shields

Tech Educator and Best-Selling Author

Course details

In this course, learn how to delete data from SQL tables effectively. The course covers the DELETE statement, using WHERE clauses to target specific rows, and verifying deletions with SELECT statements. If you’re looking to manage and clean up your database by deleting unnecessary data, this course is for you.

This course includes Code Challenges powered by CoderPad. Code Challenges are interactive coding exercises with real-time feedback, so you can get hands-on coding practice alongside the course content to advance your programming skills.

Learning objectives
Understand the purpose and syntax of the DELETE statement.
Delete data from SQL tables using DELETE statements.
Use WHERE clauses to target specific rows for deletion.
Verify data deletion with SELECT statements.

Skills covered

SQLDatabase AdministrationDatabase DevelopmentDatabase ManagementData AnalysisProgramming LanguagesData ScienceBusiness Analysis and StrategyBusiness Software and ToolsOpen SourceSoftware DevelopmentOne-Off

Concepts

Introduction

  • Course introduction
  • What you should know
  • How to use CoderPad

Introduction to Data Deletion

  • Overview of DELETE statements

Basic DELETE Statements

  • Solution - Syntax and usage of DELETE
  • Solution - Deleting multiple rows

Conditional DELETE Statements

  • Solution - Conditional deletion
  • Solution - Using subqueries in DELETE

Advanced DELETE Statements

  • Solution - Deleting data based on categories
  • Solution - Handling constraints and dependencies in DELETE

Best Practices for Using DELETE Statements

  • Solution - Best practices for using DELETE

Practical Exercises and Assessments

  • Solution - Practical exercise 1 - Basic DELETE
  • Solution - Practical exercise 2 - Advanced DELETE
40,000 Toman