共享锁： 排他锁： CAS乐观锁（version）： 悲观锁：

共享锁是一种锁定资源的方式，允许多个线程同时读取该资源，但不允许修改该资源。其他线程可以继续追加共享锁，但不能追加排他锁。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [MySql: 表级锁、行级锁、共享锁、排他锁、乐观锁、悲观锁](https://blog.csdn.net/hanchao5272/article/details/98607314)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *2* [知识点：乐观锁、悲观锁](https://blog.csdn.net/qq_36769100/article/details/123222742)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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