Java如何从数据库中删除表?
本示例向您展示如何从数据库中删除或删除表。基本上,我们只是发送DROPTABLE命令并指定要删除到数据库的表名。下面的示例向您展示如何在MySQL数据库中进行操作。
package org.nhooo.example.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class DropTableExample {
private static final String URL = "jdbc:mysql://localhost/nhooo";
private static final String USERNAME = "root";
private static final String PASSWORD = "";
public static void main(String[] args) {
try (Connection connection =
DriverManager.getConnection(URL, USERNAME, PASSWORD)) {
//要从数据库中删除表,我们使用DROPTABLE
//命令并指定要删除的表名
String sql = "DROP TABLE books";
//建立陈述
Statement statement = connection.createStatement();
//执行该语句删除表
statement.execute(sql);
} catch (SQLException e) {
e.printStackTrace();
}
}
}Maven依赖
<!-- https://search.maven.org/remotecontent?filepath=mysql/mysql-connector-java/8.0.17/mysql-connector-java-8.0.17.jar -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.17</version>
</dependency>