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SQL Crash Course

SQL Crash Course

Learn SQL database querying from scratch. Covers SELECT, JOINs, GROUP BY, subqueries, and basic database design.
Ответственный Administrator
Последнее обновление 28.02.2026
Участники 1
  • Database Design Essentials
    4Уроки -
    • Creating a Relational Database
    • Creating a Relational Database - Quiz
      10 xp
    • Introduction to Database Design
    • Introduction to Database Design - Quiz
      10 xp
  • Aggregating Data
    4Уроки -
    • Grouping Data with GROUP BY
    • Grouping Data with GROUP BY - Quiz
      10 xp
    • Using Aggregate Functions
    • Using Aggregate Functions - Quiz
      10 xp
  • Joining Tables
    4Уроки -
    • Writing JOIN Queries
    • Writing JOIN Queries - Quiz
      10 xp
    • Understanding JOINS
    • Understanding JOINS - Quiz
      10 xp
  • Data Retrieval with SELECT
    4Уроки -
    • Filtering Data with WHERE
    • Filtering Data with WHERE - Quiz
      10 xp
    • Using SELECT Statements
    • Using SELECT Statements - Quiz
      10 xp
  • Introduction to SQL
    4Уроки -
    • Basic SQL Syntax
    • Basic SQL Syntax - Quiz
      10 xp
    • What is SQL?
    • What is SQL? - Quiz
      10 xp