使用JDBC访问数据库的过程是（） A: 创建连接、查询、创建Statment B: 创建连接、创建Statment、查询 C: 创建Statment、创建连接、查询 D: 查询、创建连接、创建Statment

Please choose the right statment on cutting symbol“┏1” A: The cutting position is along the horizontal direction B: The projection direction is from the left to the right C: The number of "1" means the positioning axis ① D: The line width (thickness) of the symbol should be 1.4b

Please choose the right statment on cutting symbol“┏1” A: The cutting position is along the horizontal direction B: The projection direction is from the left to the right C: The number of "1" means the positioning axis ① D: The line width (thickness) of the symbol should be 1.4b