Are NULL values in a database the same as that of blank space or zero?

Are NULL values in a database the same as that of blank space or zero?

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: easy

标签: interviewbit, dbms, topic-specific, database

参考答案摘要

No, a NULL value is very different from that of zero and blank space as it represents a value that is assigned, unknown, unavailable, or not applicable as compared to blank space which represents a ch...

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