支持预置参数：超快，快，快，快，快，中，慢，慢。

Supports preset parameters: Ultrafast, Superfast, Veryfast, Faster, Fast, Medium, Slow, Slower.

youdao

但语句对象提交不同的sql语句进行批处理，而预置语句提交的是一组参数。

But a statement object submits different SQL statements to batch, while prepared statement submits a set of parameters to batch.

youdao

总而言之，短小的查询和OLTP事务就像含参数占位符的预置语句一样，具有更快的速度。

In a nutshell, short queries and OLTP transactions are faster as prepared statements with parameter markers.

youdao