Is it required that the Join condition be based on equality?
Is it required that the Join condition be based on equality?
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-joins, topic-specific, sql, database
参考答案摘要
No, joins can have non-equi conditions as well. Join clauses can be used with common comparison operators, such as , >=, !=, BETWEEN. For example, listing records, listing unique pairs, and identifyin...
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