面向面试准备、在线测试、教程与实战练习的学习平台

通过聚焦学习路径、模拟测试和面试实战内容持续提升技能。

WithoutBook 将分主题面试题、在线练习测试、教程和对比指南整合到一个响应式学习空间中。

搜索资源库

面试准备

JDBC 面试题与答案

Question: What is JDBC? Describe the steps needed to execute a SQL query using JDBC.

Answer: We can connect to databases from java using JDBC. It stands for Java DataBase Connectivity.

Here are the steps:

Register the jdbc driver with the driver manager
Establish jdbc connection
Execute an sql statement
Process the results
Close the connection

Before doing these do import java.sql.*

JDBC is java based API for accessing data from the relational databases. JDBC provides a set of classes and interfaces for doing various database operations. The steps are:

Register/load the jdbc driver with the driver manager.
Establish the connection thru DriverManager.getConnection();
Fire a SQL thru conn.executeStatement();
Fetch the results in a result set.
Process the results.
Close statement/result set and connection object.

保存以便复习

收藏此条目、标记为困难题，或将其加入复习集合。

打开我的学习资料库

这有帮助吗？是否

用户评价最有帮助的内容：