What causes double counting in joins and how can it be prevented?
What causes double counting in joins and how can it be prevented?
题目类型: 技术面试题
这是一道技术面试题，常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, sql, topic-specific, database
参考答案摘要
Double counting in joins usually occurs when tables are joined in a many-to-many relationship without proper aggregation or filtering. In such cases, rows from one table match multiple rows in another...
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