MySQL常见面试题
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MySQL索引的一些常见面试题大全(2022年)
目录为什么要建立索引？哪些情况适合建立索引？那么哪些情况下适合建索引？哪些情况下不适合建索引？为什么索引是使用B+树？（重点）索引分为那几类？什么是聚簇索引？（重点）使用聚簇索引的优缺点？（知道）为什么[详细]
2023-02-18 09:07 分类：数据库 Should methods containing LINQ expressions be tested / mocked?
Assuming I have a class with a method that takes a System.Linq.Expressions.Expression as a parameter, how much value is there in unit testing it?[详细]
2022-12-27 22:45 分类：问答How do I select a random record efficiently in MySQL?
mysql> EXPLAIN SELECT * FROM urls ORDER BY RAND() LIMIT 1; +----+-------------+-------+------+---------------+------+---------+------+-------+---------------------------------+[详细]
2022-12-27 21:37 分类：问答
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