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Code reviewMediumcr-p073
Subject CorrectnessLevel Mid–Senior~18 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this table definition for storing events.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

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Code to reviewsql
CREATE TABLE events (  id INT,  amount VARCHAR(20),  created_at VARCHAR(30));
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