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Beginner About 15 min

String Functions

Clean and reshape text data with UPPER, LOWER, TRIM, CONCAT, SPLIT_PART, and case-insensitive matching.

What you'll learn

  • Change text case with UPPER, LOWER, and INITCAP
  • Concatenate strings with || and CONCAT (NULL-safe)
  • Clean text with TRIM, LTRIM, RTRIM, and REPLACE
  • Extract substrings with SPLIT_PART and SUBSTRING
  • Search text with LIKE and case-insensitive ILIKE