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就好比数据库就分了关系数据库,NOSQL,OLTP场景,OLAP场景一样。 也是因为一个产品无法满足所有的业务需求。 在企业中通常是借助数据冗余来解决各类场景的需求。 那么如何才能够更好的分享数据,保证数据的一致性,提高分享的实时性呢? 10万级别左右的机器,PostgreSQL 的数据吞吐量可以达到100万条/s以上,同时数据库本身...
PostgreSQL is an advanced, enterprise-classopen-sourcerelational database that supports both SQL (relational) and JSON (non-relational) querying. It is a highly stable database management system backed by more than 20 years of community development. This thorough and collaborative approach has contrib...
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一、简介 PostgreSQL 被业界誉为最先进的开源数据库,目前阿里云数据库 PostgreSQL 版具有 NoSQL 兼容,高效查询,插件化管理,安全稳定的特性。本文档介绍使用阿里云 ECS 搭建 PostgreSQL 主从架构的操作步骤。 说明:在安全组中添加规则放行 5432 ...
PostgreSQL is an open source object-relational database system with features including support for ACID compliance, foreign keys, joins, views, triggers, stored procedures, and a variety of SQL data types. It can handle large volumes of data and accommodate numerous concurrent users. It is based...
MongoDB is a NoSQL database management system designed to handle massive volumes of data in a flexible, JSON-like manner. It is generally easier to set up and use than Postgres but is not as feature-rich or powerful. It is also not as good at handling complex queries or transactions as...
The data stored in your database is the lifeblood of your application. If you have everaccidentally dropped a production databaseor been the victim of malicious activity such as SQL injection attacks, you'll know it's far easier to recover when a bit of work has been performed beforehand on...
The flexibility of PostgreSQL is reflected in the diversity of organisations that have adopted it. For example NASA, the Chicago Mercantile Exchange and Instagram all rely on it to perform mission-critical applications. Version 9.2 extends this flexibility even further by including support for Range ...
The flexibility of PostgreSQL is reflected in the diversity of organisations that have adopted it. For example NASA, the Chicago Mercantile Exchange and Instagram all rely on it to perform mission-critical applications. Version 9.2 extends this flexibility even further by including support for Range ...