2.7 Core Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 XA Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.2.8 Limitations is a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. 1 Apache ShardingSphere document 1.2 Product Features F • Ecosystem Compatibility The proxy can be accessed by any application using MySQL/PostgreSQL protocol, and the driver can connect to any database that implements JDBC specifications. • Zero Business

2.7 Core Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 XA Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.2.8 Limitations is a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. 1 Apache ShardingSphere document 1.2 Product Features F • Ecosystem Compatibility The proxy can be accessed by any application using MySQL/PostgreSQL protocol, and the driver can connect to any database that implements JDBC specifications. • Zero Business

SQL92 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.1.5 DB Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.2 Sharding . . the core of the project are Link, Enhance and Pluggable. • Link: Flexible adaptation of database protocol, SQL dialect and database storage. It can quickly link applications and multi‐mode heterogeneous as a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. Currently, MySQL and PostgreSQL (compatible with PostgreSQL‐based

2.7 Core Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 XA Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.2.8 Limitations is a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. 1 Apache ShardingSphere document, v5.2.1 1.1.2 Product Features • Ecosystem Compatibility The proxy can be accessed by any application using MySQL/PostgreSQL protocol, and the driver can connect to any database that implements JDBC specifications. 1.1. What is

SQL92 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.1.5 DB Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.1.6 Feature Support core of the project are Connect, Enhance and Pluggable. • Connect: Flexible adaptation of database protocol, SQL dialect and database storage. It can quickly connect applications and heterogeneous databases as a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. Currently, MySQL and PostgreSQL (compatible with PostgreSQL‐based

SQL92 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.1.5 DB Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.1.6 Feature Support core of the project are Connect, Enhance and Pluggable. • Connect: Flexible adaptation of database protocol, SQL dialect and database storage. It can quickly connect applications and heterogeneous databases as a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. Currently, MySQL and PostgreSQL (compatible with PostgreSQL‐based

as a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. Friendlier to DBA, the MySQL version provided now can use any MySQL protocol to operate data. • Totally transparent to applications, it can be used directly as MySQL. • Applicable to any kind of terminal that is compatible with MySQL and PostgreSQL protocol. 1.1 Manager) and RM (Resource Manager) can guarantee a high transaction con‐ sistency. TM and RM use XA protocol for bidirectional streaming. Compared with traditional local transactions, XA transactions have

2.7 Core Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 XA Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.2.8 Limitations is a transparent database proxy, providing a database server that encapsulates database binary protocol to support heterogeneous languages. 1.1.2 Product Features Fea- ture Definition Data Shard‐ • Ecosystem Compatibility The proxy can be accessed by any application using MySQL/PostgreSQL protocol, and the driver can connect to any database that implements JDBC specifications. • Zero Business

proxy_backend_query_fetch_size | -1 | | proxy_default_port | 3307 | | proxy_frontend_database_protocol_type | | | proxy_frontend_executor_size | 0 | | proxy_frontend_flush_threshold | 128 | | pro shardingsphere:shardingsphere-db-protocol-core，数据库协议核心 9.2. ShardingSphere-Proxy 392 Apache ShardingSphere document • org.apache.shardingsphere:shardingsphere-mysql-protocol，数据库协议的 MySQL 实现 • org.apache apache.shardingsphere:shardingsphere-postgresql-protocol，数据库协议的 PostgreSQL 实现 • org.apache.shardingsphere:shardingsphere-opengauss-protocol，数据库协议的 OpenGauss 实现 • org.apache.shardingsphere:shardingsphe

proxy_backend_query_fetch_size | -1 | | proxy_default_port | 3307 | | proxy_frontend_database_protocol_type | | | proxy_frontend_executor_size | 0 | | proxy_frontend_flush_threshold | 128 | | pro shardingsphere:shardingsphere-db-protocol-core，数据库协议核心 9.2. ShardingSphere-Proxy 376 Apache ShardingSphere document • org.apache.shardingsphere:shardingsphere-mysql-protocol，数据库协议的 MySQL 实现 • org.apache apache.shardingsphere:shardingsphere-postgresql-protocol，数据库协议的 PostgreSQL 实现 • org.apache.shardingsphere:shardingsphere-opengauss-protocol，数据库协议的 OpenGauss 实现 • org.apache.shardingsphere:shardingsphe