java与数据库链接成功后为什么无法插入数据呢?求大神
public void testStatement() throws Exception{
//向数据表中插入一条数据
Connection con = JDBCTool.getConnection();
System.out.println(con);
String sql = "insert into customers values('aa',26,88)";
System.out.println(sql);
Statement statement = con.createStatement();
statement.executeUpdate(sql);
statement.close();
con.close();
}
运行后返回oracle.jdbc.driver.T4CConnection@2be94b0f
insert into customers values('juan',26,88)
然后报错 说找不到表或视图