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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