The first time that a read is performed on a table results in that view of the table being preserved throughout that transaction.

在一个事务中，当第一次读一张表时，会立即被保存该表的一个视图。

youdao

The first time that a read is performed on a table results in that view of the table being preserved throughout that transaction.

在一个事务中，当第一次读一张表时，会立即被保存该表的一个视图。

youdao