【单选题】What is the name of the part ?
【单选题】Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be di...
A.
CREATE UNIQUE INDEX idx_partno ON parts(part_no)
B.
CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)
C.
CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)
D.
CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)
【单选题】—I’m sorry I broke your tea cup. — .
【多选题】根据世界各国城市化的经验,城市化水平与经济发展水平之间有密切的关系,如以人均GDP代表国家经济发展水平(单位:美元),PU代表相应的城市化水平。下列各组数据中与正常的关系不吻合的是( )。
【单选题】根据世界各国城市化的经验,城市化水平与经济发展水平之间有密切的关系。如以人均GDP代表国家经济发展水平(单位:美元),PU代表相应的城市化水平,下列各组数据中哪些与正常的关系不吻合
【单选题】—I’m sorry I forgot the letter for you! I’m really busy these days” —It doesn’t matter, I’ll post it myself.”
【单选题】I’m sorry I can’t help you. This week is quite for me.
【单选题】–I’m sorry I made your book wet when I had water.--
【判断题】回转机构不需要庞大的轨道,运动阻力较小。