【判断题】每个存储过程向调用方返回一个整数返回代码。如果存储过程没有显式设置返回代码的值,则返回代码为 0,表示成功。 ()
【判断题】每个存储过程向调用方返回一个整数返回代码。这个数据表示存储过程执行的情况。( )
【单选题】Forests of pine and fir cover two thirds of this area.
A.
Forests of pine and fir is covered two thirds of this area.
B.
Two thirds of this area are covered by forests of pine and fir.
C.
Two thirds of this area is covered by forests of pine and fir.
D.
This area is covered two thirds of forests of pine and fir.
【判断题】每个存储过程向调用方返回一个整数的返回代码值。如果存储过程没有显式设置返回代码的值,则返回代码为0,表示成功 。
【多选题】下列关于FIR滤波器的说法中不正确的是()
D.
对于相同的幅频特性要求,用FIR滤波器实现要比用IIR滤波器实现阶数低