ResultSet直接打印结果 print out result public static void printResults( //输出统计信息 PowerDatacenter datacenter, //参数:数据中心 List<Vm> vms, //参数:虚拟机列表 double lastClock, //参数:最后一个时钟时间 String experimentName, //参数:试验名字 boolean outputInCsv, //参数:csv的输出标志 String...
cursor.execute("SELECT 'Hello, World!';") result = cursor.fetchone() print(result[0]) finally: connection.close() 3.2 Java 使用Java连接数据库并执行输出操作: import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; public class Main { ...
为了更好地理解在SQL Server中使用PRINT和SELECT语句时的对象结构,我们可以用类图来表示这些概念。 ReturnsSQLServer+PRINT(message: String)+SELECT(query: String) : ResultSetResultSet+data: List+columnNames: List 结论 通过以上示例和对比,我们可以看到,PRINT和SELECT在SQL Server中各自承担着不同的角色。PRINT在...
Statement statement=connection.createStatement(); ResultSet resultset=statement.executeQuery(sql);while(resultset.next()){intid = resultset.getInt(1); String title= resultset.getString(2); String content= resultset.getString(3); String url= resultset.getString(4);longcreated = resultset.getLo...
ResultSet rs=statement.executeQuery(sql);while(rs.next()){ System.out.println(rs.getString(1)); } }catch(Exception e) { e.printStackTrace(); } } @Afterpublicvoidafter(){ System.out.println("测试结束"); ctx.close(); } } 测试成功并输出 ...
protected ResultSet rs=null;protected void openConn(){ Connection aConn=null;try { Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");aConn=DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DataBaseName=epet","123","123");} catch (ClassNotFoundException ...
在J2EE中,使用ResultSet对象的next()方法移动光标时,如果超过界限会抛出异常,该异常通常是()。 A. InterruptedException B. AlreadyBoundException C. SQLException D. NetException 查看完整题目与答案 使用者可以考虑采取以下措施,增强无线网络使用的安全性。() A. 修改admin密码 B. WEP加密传输 C. 禁...
ResultSetType RoleAssignmentMode RoleAssignmentStatus RotateType RunAsPermission ScannerClass SecurableType SecureNode SecurityDuty SecurityEntryPointInferredTables SecurityObjectEventType SecurityObjectEventView SecurityObjectType SecurityPolicy SecurityPolicyAccessLevel SecurityPrivilege SecurityRights SecurityRole SecurityRo...
ResultSetMetaData ResultSetType RoleAssignmentMode RoleAssignmentStatus RotateType RunAsPermission ScannerClass SecurableType SecureNode SecurityDuty SecurityEntryPointInferredTables SecurityObjectEventType SecurityObjectEventView SecurityObjectType SecurityPolicy SecurityPolicyAccessLevel SecurityPrivilege SecurityRights Secur...
} catch (SQLException | ClassNotFoundException e) { e.printStackTrace(); } finally { if (resultSet != null) { 来自:帮助中心 查看更多 → 通过HSBroker的用户名密码认证实现查询HetuEngine SQL任务 } catch (SQLException | ClassNotFoundException e) { e.printStackTrace(); } finally { if (result...