连接数据库学习的相关内容

阿里云文档 2025-04-21

如何设计SelectDB库表

良好的表结构设计不仅能支持丰富的功能需求，还能大幅提升数据库系统的性能、可维护性和可扩展性等，因此数据库的表结构设计至关重要。本文为您介绍在云数据库 SelectDB 版中，设计表结构时需要重点关注的表属性，并帮助您快速掌握如何根据业务场景选择合适的表设计，从而更好的满足业务需求。

文章 2024-01-16 来自：开发者社区

JDBC技术【JDBC概述、获取数据库连接、下载数据库驱动】(一)-全面详解（学习总结---从入门到深化）

JDBC概述数据的持久化持久化(persistence)：将内存中的数据保存到可永久保存的存储设备中（如磁盘）。持久化的主要应用是将内存中的数据存储在关系型数据库中，当然也可以存储在磁盘文件、XML数据文件中。什么是 JDBC1、JDBC（Java DataBase Connectivity）java 数据库连接2、是 JavaEE 平台下的技术规范3、定义了在 Java 语言中连接数据库....

阿里云文档 2023-09-27

如何配置数据库审计行为模型

智能分析是指数据库审计系统可以学习用户的数据库操作习惯，通过对用户操作所涉及的IP、客户端操作工具等信息进行统计分析，实现对异常行为的告警，可以帮助您发现数据库异常行为。本文介绍了在云盾数据库审计系统中，如何添加行为模型学习任务和查询行为模型学习。

阿里云文档 2023-09-03

以简化版的emp为例学习创建新表_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

通过指定表名称以及所有列名称及其类型来创建新表。

文章 2022-02-15 来自：开发者社区

PHP连接数据库学习手册

范例 1: Select 指令任务：连结到 Access 的 Northwind DSN，然后在每一列显示头2个字段。(Northwind 北风数据库，在ODBC设定的DSN，是Access的标准范例数据库) 在这个范例中，我们建立一个 ADOConnection 对象，它代表了和数据库的连结。连结是以 P...

文章 2022-02-15 来自：开发者社区

PHP连接数据库学习手册

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