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Update unpivot-multiple-columns in-snowflake.md
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‎unpivot-multiple-columns in-snowflake.md‎

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## Example 1: Unpivot 3 Columns
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Suppose you have a Wide Table format Performance Ratings data as following:
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| NAME | ACTING_RATING | ACTING COMMENTS | COMEDY RATING | COMEDY COMMENTS | MUSICAL_PERFORMANCE RATING | MUSICAL_PERFORMANCE COMMENTS |
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| NAME | ACTING_RATING | ACTING COMMENTS | COMEDY RATING | COMEDY COMMENTS | MUSICAL PERFORMANCE RATING | MUSICAL PERFORMANCE COMMENTS |
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|--------------|---------------|-----------------|---------------|-----------------|----------------------------|------------------------------|
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| Groucho Marx | 4 | Awesome | 3 | Super | 4 | Really good |
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| Harpo Marx | 4 | Awesome | 4 | Awesome | 4 | |
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and you need to convert it to a Long Table Format as following
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| NAM | SKILL | SKILL_RATING | COMMENTS | SKILL_COMMENTS | SPLIT(SKILL, '-')[1] |
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|--------------|----------------------------|--------------|-------------------------|------------------------------|----------------------|
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| Groucho Marx | ACTING_RATING | 4 | Awesome | ACTING_COMMENTS | |
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| Groucho Marx | COMEDY_RATING | 3 | Super | COMEDY_COMMENTS | |
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| Groucho Marx | MUSICAL_PERFORMANCE_RATING | 4 | Really good | MUSICAL_PERFORMANCE_COMMENTS | |
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| Harpo Marx | ACTING_RATING | 4 | Awesome | ACTING_COMMENTS | |
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| Harpo Marx | COMEDY_RATING | 4 | Awesome | COMEDY_COMMENTS | |
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| Harpo Marx | MUSICAL_PERFORMANCE_RATING | 4 | | MUSICAL_PERFORMANCE_COMMENTS | |
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| Groucho Marx | ACTING_RATING | 4 | | ACTING_COMMENTS | |
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| Groucho Marx | COMEDY_RATING | 3 | Thumbs up | COMEDY_COMMENTS | |
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| Groucho Marx | MUSICAL_PERFORMANCE_RATING | 4 | Nice | MUSICAL_PERFORMANCE_COMMENTS | |
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| Harpo Marx | ACTING_RATING | 4 | Best Acting | ACTING_COMMENTS | |
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| Harpo Marx | COMEDY_RATING | 4 | Nice | COMEDY_COMMENTS | |
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| Harpo Marx | MUSICAL_PERFORMANCE_RATING | 4 | Best performance Award! | MUSICAL_PERFORMANCE_COMMENTS | |
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| NAM | SKILL | SKILL_RATING | COMMENTS | SKILL_COMMENTS |
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|--------------|----------------------------|--------------|-------------------------|------------------------------|
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| Groucho Marx | ACTING_RATING | 4 | Awesome | ACTING_COMMENTS |
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| Groucho Marx | COMEDY_RATING | 3 | Super | COMEDY_COMMENTS |
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| Groucho Marx | MUSICAL_PERFORMANCE_RATING | 4 | Really good | MUSICAL_PERFORMANCE_COMMENTS |
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| Harpo Marx | ACTING_RATING | 4 | Awesome | ACTING_COMMENTS |
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| Harpo Marx | COMEDY_RATING | 4 | Awesome | COMEDY_COMMENTS |
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| Harpo Marx | MUSICAL_PERFORMANCE_RATING | 4 | | MUSICAL_PERFORMANCE_COMMENTS |
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| Groucho Marx | ACTING_RATING | 4 | | ACTING_COMMENTS |
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| Groucho Marx | COMEDY_RATING | 3 | Thumbs up | COMEDY_COMMENTS |
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| Groucho Marx | MUSICAL_PERFORMANCE_RATING | 4 | Nice | MUSICAL_PERFORMANCE_COMMENTS |
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| Harpo Marx | ACTING_RATING | 4 | Best Acting | ACTING_COMMENTS |
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| Harpo Marx | COMEDY_RATING | 4 | Nice | COMEDY_COMMENTS |
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| Harpo Marx | MUSICAL_PERFORMANCE_RATING | 4 | Best performance Award! | MUSICAL_PERFORMANCE_COMMENTS |
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This can be achieve by using the UNPIVOT function as following
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