April 16, 2020. Welcome communicate with community via mail list. 1.1 Introduction 1.1.1 ShardingSphere-JDBC ShardingSphere‐JDBC defines itself as a lightweight Java framework that provides extra service this chapter provides users with a simplest quick start with Apache ShardingSphere. 2.1 ShardingSphere-JDBC 2.1.1 1. Import Maven Dependency org.apache.shardingsphere derivative projects of Apache ShardingSphere: ShardingSphere‐Scaling and ShardingSphere‐UI. 4.1 ShardingSphere-JDBC 4.1.1 Introduction As the first product and the predecessor of Apache ShardingSphere, ShardingSphere‐JDBC

importance to the collaboration between multiple databases instead of the database itself. ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s Java isomorphism, heterogeneous languages, and a cloud‐ native environment. Independent ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s and any JDBC adapted databases. 1.3. Deployment 7 Apache ShardingSphere document, v5.2.0 ShardingSphere-JDBC ShardingSphere-Proxy Database Any MySQL/PostgreSQL Connections Count Cost More Less Heterogeneous

importance to the collaboration between multiple databases instead of the database itself. ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s Java isomorphism, heterogeneous languages, and a cloud‐ native environment. 1.3.1 Using ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s and any JDBC adapted databases. 1.3. Deployment 5 Apache ShardingSphere document, v5.2.1 ShardingSphere-JDBC ShardingSphere-Proxy Database Any MySQL/PostgreSQL Connections Count Cost More Less Heterogeneous

importance to the collaboration between multiple databases instead of the database itself. 1.1.1 ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s as Java isomorphism, heterogeneous languages, and a cloud‐ native environment. 3.1 Using ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s PostgreSQL, Oracle, SQLServer and any JDBC adapted databases. 7 Apache ShardingSphere document ShardingSphere-JDBC ShardingSphere-Proxy Database Any MySQL/PostgreSQL Connections Count Cost More Less Heterogeneous

incrementation instead of a total overturn. 1 Apache ShardingSphere document, v5.0.0 1.1.1 ShardingSphere-JDBC ShardingSphere‐JDBC defines itself as a lightweight Java framework that provides extra services this chapter provides users with a simplest quick start with Apache ShardingSphere. 2.1 ShardingSphere-JDBC 2.1.1 1. Import Maven Dependency org.apache.shardingsphere of situations such as Java isomorphism, heterogeneous language and Cloud‐ Native. 3.1.1 ShardingSphere-JDBC As the first product and the predecessor of Apache ShardingSphere, ShardingSphere‐JDBC defines

Plus，旨在构建异构数据库上层的标准和生态。它关注如 何充分合理地利用数据库的计算和存储能力，而并非实现一个全新的数据库。它站在数据库的上层视角， 关注它们之间的协作多于数据库自身。 ShardingSphere-JDBC ShardingSphere‐JDBC 定位为轻量级 Java 框架，在 Java 的 JDBC 层提供的额外服务。 ShardingSphere-Proxy ShardingSphere‐Proxy 款既能够独立部署，又 支持混合部署配合使用的产品组成。它们均提供标准化的基于数据库作为存储节点的增量功能，可适用 于如 Java 同构、异构语言、云原生等各种多样化的应用场景。 ShardingSphere-JDBC 独立部署 ShardingSphere‐JDBC 定位为轻量级 Java 框架，在 Java 的 JDBC 层提供的额外服务。它使用客户端直连 数据库，以 jar 包形式提供服 le，SQLServer 以及任何 可使用 JDBC 访问的数据库。 1.3. 部署形态 6 Apache ShardingSphere document, v5.2.0 ShardingSphere-JDBC ShardingSphere-Proxy 数据库 任意 MySQL/PostgreSQL 连接消耗数 高 低 异构语言 仅 Java 任意 性能 损耗低 损耗略高 无中心化

断增加中。 ShardingSphere 已于 2020 年 4 月 16 日成为 Apache 软件基金会的顶级项目。欢迎通过邮件列表参与讨 论。 1.1 简介 1.1.1 ShardingSphere-JDBC 定位为轻量级 Java 框架，在 Java 的 JDBC 层提供的额外服务。它使用客户端直连数据库，以 jar 包形式 提供服务，无需额外部署和依赖，可理解为增强版的 JDBC 可视化链路追踪 • 数据加密 1.2. 功能列表 4 2 快速入门 本章节以尽量短的时间，为使用者提供最简单的 Apache ShardingSphere 的快速入门。 2.1 ShardingSphere-JDBC 2.1.1 1. 引入 maven 依赖 org.apache.shardingsphere ShardingSphere-JDBC 4.1.1 简介 ShardingSphere‐JDBC 是 Apache ShardingSphere 的第一个产品，也是 Apache ShardingSphere 的前身。

Plus，旨在构建异构数据库上层的标准和生态。它关注如 何充分合理地利用数据库的计算和存储能力，而并非实现一个全新的数据库。它站在数据库的上层视角， 关注它们之间的协作多于数据库自身。 1.1.1 ShardingSphere-JDBC ShardingSphere‐JDBC 定位为轻量级 Java 框架，在 Java 的 JDBC 层提供的额外服务。 1.1.2 ShardingSphere-Proxy ShardingSphere‐Proxy 款既能够独立部署，又 支持混合部署配合使用的产品组成。它们均提供标准化的基于数据库作为存储节点的增量功能，可适用 于如 Java 同构、异构语言、云原生等各种多样化的应用场景。 3.1 ShardingSphere-JDBC 独立部署 ShardingSphere‐JDBC 定位为轻量级 Java 框架，在 Java 的 JDBC 层提供的额外服务。它使用客户端直连 数据库，以 jar 包形式提供服 MySQL，PostgreSQL，Oracle，SQLServer 以及任何 可使用 JDBC 访问的数据库。 6 Apache ShardingSphere document ShardingSphere-JDBC ShardingSphere-Proxy 数据库 任意 MySQL/PostgreSQL 连接消耗数 高 低 异构语言 仅 Java 任意 性能 损耗低 损耗略高 无中心化

心系统的基石，未来也难于撼动，我们更加注重在 原有基础上提供增量，而非颠覆。 1 Apache ShardingSphere document, v5.0.0 1.1.1 ShardingSphere-JDBC 定位为轻量级 Java 框架，在 Java 的 JDBC 层提供的额外服务。它使用客户端直连数据库，以 jar 包形式 提供服务，无需额外部署和依赖，可理解为增强版的 JDBC 0 1.3 线路规划 1.3. 线路规划 6 2 快速入门 本章节以尽量短的时间，为使用者提供最简单的 Apache ShardingSphere 的快速入门。 2.1 ShardingSphere-JDBC 2.1.1 1. 引入 maven 依赖 org.apache.shardingsphere ShardingSphere-JDBC ShardingSphere‐JDBC 是 Apache ShardingSphere 的第一个产品，也是 Apache ShardingSphere 的前身。 定位为轻量级 Java

incrementation instead of a total overturn. 1 Apache ShardingSphere document, v5.1.1 1.1.1 ShardingSphere-JDBC ShardingSphere‐JDBC defines itself as a lightweight Java framework that provides extra services this chapter provides users with a simplest quick start with Apache ShardingSphere. 2.1 ShardingSphere-JDBC 2.1.1 Import Maven Dependency org.apache.shardingsphere of situations such as Java isomorphism, heterogeneous language and Cloud‐ Native. 3.1.1 ShardingSphere-JDBC As the first product and the predecessor of Apache ShardingSphere, ShardingSphere‐JDBC defines