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  • About the SQL course
  • SQL BASIC LEVEL
    • Module 1
    • Module 2
      • Lesson 1: Getting data
      • Lesson 2: Filtering data
      • Lesson 3: Manipulating data
        • Distinct/Unique results
        • Ordering results
        • Limiting results
        • Null or empty values
        • CASE statement
      • Knowledge check
      • Summary
      • Project
    • Module 3
    • Module 4
  • SQL INTERMEDIATE LEVEL
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  1. SQL BASIC LEVEL
  2. Module 2

Lesson 3: Manipulating data

Distinct/Unique resultsOrdering resultsLimiting resultsNull or empty valuesCASE statement
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