ENUM类型的字段level定义为（LOW、MIDDLE、HIGH），ORDER BY level asc的顺序是
A: HIGH、LOW、MIDDLE
B: LOW、MIDDLE、HIGH
C: MIDDLE、LOW、HIGH
D: HIGH、MIDDLE、LOW
A: HIGH、LOW、MIDDLE
B: LOW、MIDDLE、HIGH
C: MIDDLE、LOW、HIGH
D: HIGH、MIDDLE、LOW
举一反三
- The high level and low level specified by LVTTL are ________. A: high level 5.0V low level 0V B: high level 3.3V low level 0V C: high level 2.4V~5.0V low level 0V~0.5V D: high level 2.4V~3.3V low level 0V~0.4V
- The aphotic zone (bottom of the ocean) will have ____ and ____ while the photic zone (surface of the ocean) will have ____ and ____. A: low temperature, low salinity; high temperature, high salinity B: low temperature, high salinity; high temperature, low salinity C: high temperature, high salinity; low temperature, low salinity D: high temperature, low salinity; low temperature, high salinity E: both have equal temperature and salinity
- 下列属性描述中不属于数值类型属性的是（） A: Type_name’High B: Type_name’Low C: Type_name’Middle D: Type_name’Left
- 黄璐同学在示范课中所展示的音域为？ A: low C～high c B: low E～high c C: low C~high e D: low D～high c
- The heat treatment of spring steel is treated by ( ). A: quenching and low tempering B: quenching and tempering C: quenching and middle tempering D: quenching and high tempering