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RADARGood tools open new possibilities.Explore thoughtfully. Create freely.

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A little signal. Less noise.

DISCOVER

Catalog Categories

CATEGORIES

Categories will appear when the source is connected.

More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

RADAR / PostgreSQLStorage available

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A little signal. Less noise.

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锁

锁与死锁——数据库为什么会发生事务等待?

掘金

About this offer

前面我们了解了事务与隔离级别,以及 MVCC,理解数据库如何通过多个数据版本,让不同事务读取各自应该看到的数据。但 MVCC 并不能解决所有并发问题。假设两个事务同时修改同一条记录,数据库必须决定哪

Offer details

Provider: 掘金
Source: juejin-rss
Score: 57.35
Confidence: 54%

Source evidence

What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

JuejinObserved: Oct 8, 2026Source reliability: 60%
锁与死锁——数据库为什么会发生事务等待?. 前面我们了解了事务与隔离级别,以及 MVCC,理解数据库如何通过多个数据版本,让不同事务读取各自应该看到的数据。但 MVCC 并不能解决所有并发问题。假设两个事务同时修改同一条记录,数据库必须决定哪
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锁与死锁——数据库为什么会发生事务等待?

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RADARGood tools open new possibilities.Explore thoughtfully. Create freely.