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  • SQL For Intermediate

SQL For Intermediate

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Price

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Course Content

Overview
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Part 1. Advanced Retrieval Patterns
Subqueries (in SELECT, WHERE, FROM) 3 Topics
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Lesson Content
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Subqueries in SELECT
Subqueries in WHERE
Subqueries in FROM
CTEs (Common Table Expressions)
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Part 2. Advanced Filtering & Logic
EXISTS
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ANY / ALL
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CASE (Advanced Patterns)
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COALESCE / IFNULL (Applied)
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Part 3. Data Cleaning with SQL
TRIM, UPPER, LOWER
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CAST / CONVERT
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Handling Messy Strings
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Date functions (DATEADD, DATEDIFF, EXTRACT)
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Course Includes:

  • Price:Free
  • Lessons:11
  • Certifications:No
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