“repeatable read”可以造什么句，repeatable read造句

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.

An unrepeatable read and phantom read can occur.

Non-repeatable reads: The reopened cursor in A1 retrieves updates of A2 on qualifying rows.

Let's first consider repeatable read.