SQL Quest › SQL Interview Questions › Aggregation & Grouping
Title Social Survival Analysis
Classify passengers by social title using LIKE: 'Male' (name contains 'Mr.' or 'Master.'), 'Female' (contains 'Mrs.' or 'Miss.'), 'Other' (everything else). For each group show: title_group, count, avg_fare (2 dec), survival_rate (% survived, 1 dec). Only show groups with 5+ passengers. Order by survival_rate descending.
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Schema
passengers
| passenger_id | survived | pclass | name | sex | age | sibsp | parch | fare | embarked |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 3 | Braund, Mr. Owen Harris | male | 22 | 1 | 0 | 7.25 | S |
| 2 | 1 | 1 | Cumings, Mrs. John Bradley | female | 38 | 1 | 0 | 71.28 | C |
| 3 | 1 | 3 | Heikkinen, Miss. Laina | female | 26 | 0 | 0 | 7.93 | S |
Expected output: Title-based survival rates revealing social hierarchy
Hint
Concepts
SELECT GROUP BY Aggregation HAVING CASE LIKE String Functions
Practise the topic: SQL practice questions · GROUP BY exercises · CASE WHEN practice · String function practice
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