Merge pull request #257 from ylzyd12345/patch-1

Update 数据库系统原理.md
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CyC2018 2018-05-18 22:00:21 +08:00 committed by GitHub
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@ -161,7 +161,7 @@ MySQL 中提供了两种封锁粒度:行级锁以及表级锁。
|X |NO |NO |NO | NO|
|IX |NO |YES |NO | YES|
|S |NO |NO |YES | YES|
|IS |NO |NO |YES | YES|
|IS |NO |YES |YES | YES|
解释如下: