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@ -145,10 +145,7 @@ MySQL 中提供了两种封锁粒度:行级锁以及表级锁。
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锁的兼容关系如下:
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锁的兼容关系如下:
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| - | X | S |
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<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/image-20191207213523777.png"/> </div><br>
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| :--: | :--: | :--: |
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| **X** |×|×|
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| **S** |×|√|
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### 2. 意向锁
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### 2. 意向锁
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notes/pics/image-20191207213523777.png
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notes/pics/image-20191207213523777.png
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@ -145,10 +145,7 @@ MySQL 中提供了两种封锁粒度:行级锁以及表级锁。
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锁的兼容关系如下:
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锁的兼容关系如下:
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| - | X | S |
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<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/image-20191207213523777.png"/> </div><br>
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| :--: | :--: | :--: |
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| **X** |×|×|
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| **S** |×|√|
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### 2. 意向锁
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### 2. 意向锁
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