关于delete和delete[] 下列描述中，（    ）是错误的。

class A {[br][/br]public:[br][/br] static void f( ) {[br][/br] A * ps[2] = new A[2]{ }; //1[br][/br] A ** pps = new A*[2]{ }; //2[br][/br] delete[2] ps; //3[br][/br] delete ps[0]; delete ps[1]; //4[br][/br] delete[ ] ps; //5 delete[ ] pps; //6[br][/br] delete pps[ ]; //7 }[br][/br]}; 哪些行是错误的： A: 1所在行 B: 2所在行 C: 3所在行 D: 4所在行 E: 5所在行 F: 6所在行 G: 7所在行

用()关键词实现删除表中单行、多行数据以及所有行数据。其语法格式是:Delete[from]表名[where条件]若不加()子句则删除数据表中的所有数据。

触发器是一种特殊类型的存储过程，依附于某个基本表上．当对表格进行下列[ ]操作时，触发器会被激活触发． A: . Insert, Update, Delete B: Insert, Modify, Delete C: Update, Modify, Delete; D: Insert, Update, Modify

以下触发器是当对[Create Trigger abc on 表1 For insert , update , delete As …… ]进行( )操作时触发

设B={a,c,e,f,g,h}删除字母e和h? Delete[B,-4];Delete[B,6]|Delete[B,{{3},{6}}]|Delete[B,{3,6}]|Delete[B,3]; Delete[B,-1]

I can delete negative comments.(delete)

设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]

‎设B={a,c,e,f,g,h}删除字母e和h‍ A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]

在数据表employee中根据id删除员工信息，下列@Delete注解的写法正确的是（）。 A: @Delete("delete from employee where id = ?") B: @Delete("delete from employee") C: @Delete( delete from employee where id = D: {id} ) E: 以上说法都不正确