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 ...

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