【名词&注释】
数据类型(data type)、表达式、关键字、概念模型(conceptual model)、逻辑联系(logical connection)
[多选题]数据库中有一张表名称为Student,有列Number,Name,Age,IDCard,Sex。主键是Number,数据类型为Varchar(20)。要求写删除学号为“20140001”的学生,下列哪个SQL语句是正确的()
A. Delete Student‘20140001’
B. Delete Student“20140001”
C. Delete Student Where Number=‘20140001’"
D. Delete From Student Where Number=”20140001”"