• 1. READ REPEATABLE: 可重复读
• 2. Repeatable Read: 可重复读 | 可重复读取 | 重复读 | 可重读
• 3. Non-repeatable Read: 不可重复读 | 不可重复的读 | 非重复读 | 重复读

更多释义

• 1.In fact, the only row-level locking that remains during INSERT is the next-key locks that are required to protect an INSERT from adding keys to repeatable read scanners.
  实际上，在INSERT期间惟一保持的行级锁是next - key锁，这个锁用于使INSERT不会添加键到可重复的读扫描器。
  dict.yoduao.com
• 2.Supports table and row level locking and 4 isolation levels, RR (repeatable read), rs (read stability), CS (default - cursor stability) and ur (uncommitted read).
  支持表级和行级锁以及4个隔离级别：RR(可重复读)、RS(读可靠)、CS(默认——游标可靠)和UR(未提交读)。
  dict.yoduao.com
• 3.With the "Repeatable Read" data region fetch requests issued multiple times within the same transaction will always produce the same result yielding better application throughput.
  在相同事务下对“可重复读取”区域内数据的多次请求的结果是相同的，但能够带来更好的应用吞吐量。
  dict.yoduao.com

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