因为它是多进程架构,我就没有用了。我没有怎么用过,所以pgsql优势我没有太多了解,也没有资格说太...
MySQL vs PostgreSQL : 都是关系型数据库,都能满足线上业务需求;MySQL较早落地推广(赶了个早市),PostgreSQL功能稍强大(对数据分析场景会更友好些)。 MySQL vs MongoDB :可以看做是传统的关系型数据库与NoSQL的对比,具体场景具体分析 MongoDB vs PostgreSQL : 有说法是可以互相替换,因为PostgreSQL也能支持非结构化...
RESTART IDENTITY, CONTINUE IDENTITY, transaction-safe, etc.(对于移除表中的数据,delete是可以的,但是对于一个大表,truncate是更加有效的方式,因为truncate删除表中所有行的时候不需要扫表整个表) MySQL TRUNCATE TABLE does not support CASCADE and transaction safe i.e,. once...
通过观察开发者社区,有理由相信在将来 PostgreSQL 会比 MySQL 有更多的支持和特性 迁移到 PostgreSQL 需要一次停机维护的时间窗口,最终线上只花费了半小时就完成了。如果不迁移,而是从 MySQL 5.7 升级到 8.0,也同样需要停机维护的时间。 基于这些原因,我们最终使用 AWS DMS(AWS Database Migration Service)完成了这个...
Azure Database for MySQL is a PaaS implementation of MySQL in the Azure cloud, based on the MySQL Community Edition. You can currently select from support for MySQL versions 5.6, 5.7, and 8.0, depending on your needs. Support for additional versions will be provided ...
400 PrimaryInstanceWithReadonlyNotSupport The specified primary instance with the read-only instance does not support the operation. 具有只读实例的指定主实例不支持此操作 400 InvalidSwitchTimeMode The specified SwitchTimeMode is invalid. 指定的升级时间模式无效 400 InvalidSwitchTime The specified SwitchTime...
ORM framework, support databases: MySQL, MariaDB, TiDB, OceanBase, SQL Server, Oracle, SQLite, DuckDB, MS Access, Firebird, PostgreSql, OpenGauss, HighgoDB, IvorySQL, QuestDB, DB2, Informix, ClickHouse, 达梦, 人大金仓, 神通, 虚谷, ... - Sean-Lu/DbReposit
spring boot custom support MySQL & PostgreSQL https://github.com/rench/scio ScioJpaRepositoryFactoryBean.java package com.scio.cloud.jpa;importjava.io.Serializable;importjava.lang.reflect.Field;importjava.lang.reflect.Method;importjava.util.ArrayList;importjava.util.Arrays;importjava.util.Collections;imp...
This section covers the potential risks customers might face when migrating their database to a cloud-based database service (DBaaS), particularly if it uses open-source software like Apache Cassandra, MariaDB, MySQL, Postgres, or Redis. We categorize these risks into five areas: suppor...
Markus Winand provides insights into SQL and shows how different systems support it at modern-sql.com. Previously he made use-the-index-luke.com, which is still actively maintained. Markus can be hired as trainer, speaker and consultant via winand.at. Buy the Book The essence of SQL tuning...