Create a database connection from the Connections view. A database connection in DBeaver is a saved configuration that links the application to a database. It includes a driver, main connection fields ...
You can assign a connection type when creating or editing a connection. You can also define your own types with custom settings and colors. Connection type colors appear in the Connections, all ...
联调阶段建议先用 SQL*Plus 或 SQL Developer 以 Java 连接账号手动 select bb ('2006-12-12') from dual 跑一遍,确认函数本身没问题,再上 Java。 这一步能省掉一半「到底是数据库问题还是 Java 问题」的扯皮。 场景里还有个隐含需求:结果集要映射成对象,不是简单打印。
这套组合,不是为炫技,而是为 降低认知负荷 。 它把“网站怎么动起来”这个黑匣子,一层层剥开给你看:浏览器发请求 → Tomcat收到 → JSP解析HTML+执行Java → Java去Oracle查数据 → 把结果塞回HTML → 返回给浏览器。 链条短、环节少、每一步都能摸得到。
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