The function of autoignition temperature including:（）
A. Concentration of the vapor
B. Material in contact
C. Size of the containment
D. Pollens and other aeroallergens
查看答案
Which of the following is WRONG in the relation rules（）
A. There is no order on the rows
B. There is no order on the columns
C. Two tuples can be identical in all column values
D. Multi-valued attributes are not permitted
Which of the following Software is NOT DBMS（）
A. SQL Server
B. Oracle
C. Android
D. MySQL
A contains a collection of interrelated data, a set of programs to access the data and an environment that is both convenient and efficient to use（）
A. DBMS
B. Database
C. Database application
Data Schema
What did British students do in class（）
A. They let the teacher do most of the talking in class
B. Listen to the teacher rather than speak themselves
Challenge the teacher’s ideas
D. Regard the teacher as an “authority”
微信支付 
支付宝支付