单项选择题
Which object privileges can be granted on a view?（）
A. none B. DELETE, INSERT,SELECT C. ALTER, DELETE, INSERT, SELECT D. DELETE, INSERT, SELECT, UPDATE
单项选择题 Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12?（）
单项选择题 What is true about sequences?（）
单项选择题 In which scenario would index be most useful?（）
