What is a Cross-Join (Cartesian Product)?
What is a Cross-Join (Cartesian Product)?
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: medium
标签: intellipaat, sql, topic-specific, sql, database
参考答案摘要
A Cross Join produces a Cartesian Product by combining every row from one table with every row from another table. If the first table has N rows and the second table has M rows, the result of a cross ...
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