【单选题】下列选项中,正确关闭数据库资源的顺序是() A. resultSet.close();statement.close();connection.close(); B. statement.close();connection.close();resultSet.close(); C. resultSet.close();connection.close();statement.close(); D. connection.close();statement.close();resultSet.close();
【单选题】下列选项中,正确关闭数据库资源的顺序是() A. resultSet.close();statement.close();connection.close(); B. statement.close();connection.close();resultSet.close(); C. resultSet.close();connection.close();statement.close(); D. connection.close();statement.close();resultSet.close();
在JDBC应用程序中,使用Statement接口的()方法,执行查询语句,返回结果。 A: execute B: close C: executeUpdate D: executeQuery
在JDBC应用程序中,使用Statement接口的()方法,执行查询语句,返回结果。 A: execute B: close C: executeUpdate D: executeQuery
作为一种好的编程习惯,应在不需要Statement对象和Connection对象时,用close()语句显式地关闭它们。
作为一种好的编程习惯,应在不需要Statement对象和Connection对象时,用close()语句显式地关闭它们。
要在Connection对象conn上创建Statement对象,可以使用________: Statement statement = Connection.createStatement();|Statement statement = conn.createStatement();|Statement statement = conn.statement();|Statement statement = connection.create();
要在Connection对象conn上创建Statement对象,可以使用________: Statement statement = Connection.createStatement();|Statement statement = conn.createStatement();|Statement statement = conn.statement();|Statement statement = connection.create();
下列选项中,正确关闭数据库资源的顺序是() A: resultSet.close() B: atement.close() C: nnection.close() D: statement.close()
下列选项中,正确关闭数据库资源的顺序是() A: resultSet.close() B: atement.close() C: nnection.close() D: statement.close()
Make the judgement on the statement that the complementary close of a letter to your best friend is written as“Lovingly yours,” True or False? (你给你的好友写信,结束敬语写作“Lovingly yours,”。这种说法是否正确
Make the judgement on the statement that the complementary close of a letter to your best friend is written as“Lovingly yours,” True or False? (你给你的好友写信,结束敬语写作“Lovingly yours,”。这种说法是否正确
The air-conditioner is running in the winter and to be stopped, we should() A: close Fan and Humidifier at the same time B: firstly close Fan and then close humidifier immediately C: firstly close humidifier and then close Fan immediately D: firstly close humidifier and then close Fan after 30 second
The air-conditioner is running in the winter and to be stopped, we should() A: close Fan and Humidifier at the same time B: firstly close Fan and then close humidifier immediately C: firstly close humidifier and then close Fan immediately D: firstly close humidifier and then close Fan after 30 second
But American friends may not be close, or they are close with ______ .
But American friends may not be close, or they are close with ______ .
The CORRECT data flow from one financial statement to the next is: A: statement of retained earnings, income statement, balance sheet, statement of cash flows. B: balance sheet, statement of retained earnings, income statement, statement of cash flows. C: statement of retained earnings, income statement, statement of cash flows, balance sheet. D: income statement, statement of retained earnings, balance sheet, statement of cash flows.
The CORRECT data flow from one financial statement to the next is: A: statement of retained earnings, income statement, balance sheet, statement of cash flows. B: balance sheet, statement of retained earnings, income statement, statement of cash flows. C: statement of retained earnings, income statement, statement of cash flows, balance sheet. D: income statement, statement of retained earnings, balance sheet, statement of cash flows.
下面正确的关闭文件的语句格式是( ) A: close(变量名) B: .close() C: close(文件名) D: .close
下面正确的关闭文件的语句格式是( ) A: close(变量名) B: .close() C: close(文件名) D: .close