存储过程pro有两个参数，第一个为输入参数，第二个为输出参数，以下代码正确的是（ ）
A: CallableStatement cst=con.prepareCall(“(call pro(?,?))”);
B: CallableStatement cst=con.prepareCall(“{call pro(?,?)}”);
C: CallableStatement cst=con.prepareCall(“(call pro(?))”);
D: CallableStatement cst=con.prepareCall(“{call pro(?,?,?)}”);
A: CallableStatement cst=con.prepareCall(“(call pro(?,?))”);
B: CallableStatement cst=con.prepareCall(“{call pro(?,?)}”);
C: CallableStatement cst=con.prepareCall(“(call pro(?))”);
D: CallableStatement cst=con.prepareCall(“{call pro(?,?,?)}”);
举一反三
- In "pro and con", "pro" means "in favor of".
- 存储过程pro有两个参数,第一个为输入参数,第二个为输出参数,以下代码正确的是()
- Products are cheaper to produce, so cheaper for the customerto buy. A: con B: pro
- --What are ___________ of shopping online?-It’s very convenient and economical. A: cons B: con C: pros D: pro
- 单击按钮Command1，下列代码执行的结果是（）。 Private Sub Command1_Click() Call pro(3) End Sub Private Sub pro(b As Integer) MsgBox b*b End Sub