Read-Committed is the minimum level required for optimistic locking to work.

Read-Committed 是乐观锁工作所需的最低级别。

youdao

Instead they will read the currently committed version of the row.

相反，它们会读取这一行的当前已经提交的版本。

youdao

An unrepeatable read can occur when the transaction reads some data again and finds that it changed since the last read due to another transaction that modified this data and committed.

事务再次读取某数据时发现它自最后一次读操作之后由于另一个事务修改并提交了该数据而发生了更改，则会发生不可重读。

youdao

Other leaders described efforts that Europe was making -- and I don't want to read out what they talked about -- all committed to working together.

WHITEHOUSE: Press Briefing

"For everyone who knows Dmitrichenko, the very idea that he could have thought of and ordered this crime - committed in such a brutal manner - is absurd, " read their open letter.

BBC: Bolshoi cast defend dancer arrested over acid attack

That article is still worth a read but I got one thing wrong: the Germans - indeed the policy elite that surrounds them, committed to sound money, balanced books etc - have taken control of and crashed southern Europe but made no moves towards a fiscal union.

BBC: How the fate of Europe could be decided 'within hours'