某些情况下，如果语句包含主机变量、参数标记或特殊寄存器那么访问路径在运行时的性能不会很好。

In some cases, the access path does not perform well at runtime if the statement contains host variables, parameter markers, or special registers.

youdao

某些情况下，如果语句包含主机变量、参数标记或特殊寄存器那么访问路径在运行时的性能不会很好。

In some cases, the access path does not perform well at runtime if the statement contains host variables, parameter markers, or special registers.

youdao