A. SELECT * FROM [select] B. SELECT * FROM @MyTable C. SELECT * FROM [MyTable] D. SELECT * FROM MyTable
A. ①②③ B. ②③④ C. ①③④ D. ①②④
A. 3天 B. 5天 C. 7天 D. 10天 E. 12天
A. 正确 B. 错误