How to determine which records in a table are duplicates in the most time-effective method possible?
How to determine which records in a table are duplicates in the most time-effective method possible?
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, as400, topic-specific, ibm
参考答案摘要
When searching for duplicate records inside a database, using the DISTINCT keyword is the most efficient way that may be used. Since this keyword will only return values that are fully unique, it will...
答题技巧
技术面试题建议先理清思路再作答，从基础概念讲起，逐步深入。可以结合实际项目经验解释技术原理，展示你的理解深度和实践能力。
本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案、收藏题目并进行模拟面试练习。
