在实际业务场景中，热点SQL请求往往导致瞬时流量激增，产生资源争用和性能瓶颈。云数据库PostgreSQL的SQL限流功能以内核实时监控为基础，动态识别访问频率异常的 SQL语句，及时对其实施限制操作。该功能基于请求并发度 来实现限制，全方位保障数据库在高负载压力下依然保持稳定响应，避免因热点SQL冲击引发的系统宕机或性能暴降， 提升客户对数据库的干预能力。

总结：22 条 SQL，PostgreSQL 执行成功 19 条，有 3 条 SQL 执行超时，比 MySQL 好了很多，对于一些 HTAP 场景，可以满足基本需求，超时的 3 条 SQL 都是有 3 ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins ...

Async I/O and UUID v7 highlights of the September release, though some SQL features are delayed Users and developers can ...

In the field of database management, PostgreSQL has become the preferred choice for many enterprises and developers due to ...

Postgres 16 highlights include updates around privilege administration, logical replication, performance improvements, and comprehensive monitoring features. Here is a breakdown.

Babelfish enables PostgreSQL to understand database requests—both the command and the protocol—from applications written for Microsoft SQL Server without changing libraries, database schema ...

SQLite Output When trying the SQL examples, you will notice the SQLite output is not nearly as pretty as the output from MariaDB/MySQL or PostgreSQL. By default, SQLite doesn't print column names or ...

Google today announced the launch of AlloyDB, a new fully managed PostgreSQL-compatible database service that the company claims to be twice as fast for ...