遗失了故人B. CREATE TABLE 9emp$# (emp_no NUMBER(4));
C. CREATE TABLE emp*123 (emp_no NUMBER(4));
D. CREATE TABLE emp9$# (emp_no NUMBER(4), date DATE);
Answer: A
QUESTION 27
Which two statements are true regarding tables? (Choose two.)
A. A table name can be of any length.
B. A table can have any number of columns.
C. A column that has a DEFAULT value cannot store null values.
D. A table and a view can have the same name in the same schema.
E. A table and a synonym can have the same name in the same schema.
F. The same table name can be used in different schemas in the same database.
Answer: EF
QUESTION 28
Which two statements are true regarding constraints? (Choose two.)
