TRIM()

Concepts: sqlTrim

Removing Whitespace Whitespace problems are invisible but cause real bugs. Extra spaces prevent joins from matching and corrupt comparisons. LTRIM() and RTRIM() Custom Character Trim You can specify which characters to remove instead of whitespace: Practical Applications Cleaning Import Data Data imported from spreadsheets or external systems often has invisible whitespace that breaks joins: Import vs Query TRIM Best Practices When to Use TRIM() These are the most common scenarios where whitespace causes problems. These guidelines help you write efficient and maintainable string manipulation code. String extraction and transformation are among the most common operations in data pipelines. Put these techniques to the test with hands-on challenges.