ASP.NET 3.5 中的Page指令
SQL 中 DROP 语句的语法结构
DROP TABLE Customers, Employees DROP DATABASE Accounting
SQL 中 ALTER TABLE 语句的语法
ALTER TABLE Employees ADD CONSTRAINT PK_EmployeeID PRIMARY KEY (EmployeeID);
DROP TABLE Customers, Employees DROP DATABASE Accounting
ALTER TABLE Employees ADD CONSTRAINT PK_EmployeeID PRIMARY KEY (EmployeeID);