Can you explain the logical architecture of MySQL?
已解决Can you explain the logical architecture of MySQL?
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网络规划设计师、敏捷专家、CISP、ITSS服务经理、ACA全科目、ACP4项、ACE、CBP、CDSP、CZTP等。拥有 PRINCE2 Foundation/Practitioner、CCSK、ITIL、ISO27001、PMP等多项国际认证。 专利5+、期刊10+、知识产权师。核心期刊审稿人。采纳回答The top layer contains the services most network-based client/server tools or servers need such as connection handling, authentication, security, and so forth. The second layer contains much of MySQL’s brains. This has the code for query parsing, analysis, optimization, caching, and all the built-in functions.
2021-10-16 17:29:49赞同 1 展开评论 打赏 -
mysql> explain select * from books; +----+-------------+-------+------------+------+---------------+------+---------+------+------+----------+-------+ | id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra | +----+-------------+-------+------------+------+---------------+------+---------+------+------+----------+-------+ | 1 | SIMPLE | books | NULL | ALL | NULL | NULL | NULL | NULL | 3 | 100.00 | NULL | +----+-------------+-------+------------+------+---------------+------+---------+------+------+----------+-------+ 1 row in set, 1 warning (0.00 sec)2021-10-16 17:11:06赞同 展开评论 打赏
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