What is index cardinality in DB2?

What is index cardinality in DB2?

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, mainframe, topic-specific

参考答案摘要

Index cardinality represents the number of discrete values or entries in a table column. DB2 has a utility called RUNSTATS which is used for examining column entry redundancy for finding whether an in...

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