In most cases, well-suited SQL statements are very simple SELECT statements that reference only a single table or are INSERT, UPDATE, and DELETE (UID) operations that are executed many times.

在大多数情况下，非常适合使用参数标记的sql语句要么是非常简单的SELECT语句(只引用一个表)，要么是被多次执行的INSERT、UPDATE和DELETE (uid)操作。