Let us say that I have a program it uses dynamic SQL. It has been working fine till now, however, lately, I have found that the performance has been affected and deteriorated. Can you guess what can be the reason behind this?
Let us say that I have a program it uses dynamic SQL. It has been working fine till now, however, lately, I have found that the performance has been affected and deteriorated. Can you guess what can be the reason behind this?
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, db2, topic-specific, database
参考答案摘要
There can be 2 possibilities: RUN STATS is not done and it seems that the program is using an incorrect/wrong index due to incorrect/wrong stats. It might also be the case that the RUN STATS has been ...
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。
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