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How do you count occurrences in a column in SQL?

SQLeasy0.2 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Globant
Key Concepts Tested
sql
Expert AnswerPremium
43 wordsInterview-ready
**Per value**: SELECT col, COUNT(*) FROM t GROUP BY col. **Specific value**: SELECT COUNT(*) FROM t WHERE col = 'X'. **Non-null**: COUNT(col) excludes NULLs; COUNT(*) counts all. **Distinct**: COUNT(DISTINCT col). **Conditional**: COUNT(CASE WHEN cond THEN 1 END)....
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