MySQL for OEM/ISV Over 2000 ISVs, OEMs, and VARs rely on MySQL as their products' embedded database to make their applications, hardware and appliances more competitive, bring them to market faster, and lower their cost of goods sold. Learn More » MySQL Cluster CGE MySQL Cluster enable...
The concept of relational databases Basic understanding of NULL values in SQL SubQuery in SQL What is a Subquery? A subquery is a query nested inside another query. It can be placed in various clauses such as SELECT, FROM, WHERE, and HAVING. Think of it as solving a smaller puzzle (the...
Although a data breach mayappearto be a remote risk, it’s essential to take proactive measures to secure your MySQL databases. This article is for developers, DBAs, and security experts aiming to strengthen their MySQL setups. We will discuss vital security best practices that can reduce the ...
并且最近从爱可生发布的文章,中提到了Large Messages Fragmentation Layer for Group Replication,这是对于MGR中被人提到的大事务造成的MGR 主机离线的问题的一个解决方法,通过对事务打散后在重新组装的方式来进行大事务的集群化的处理。 除此之外MYSQL 8.016 还在,同时 XCom’s message cache 不在是绑定一个静态的...
SHOW DATABASES; #有一个S,代表多个数据库 查看当前正在使用的数据库 SELECT DATABASE(); #使用的一个 mysql 中的全局函数 查看指定库下所有的表 SHOW TABLES FROM 数据库名; 查看数据库的创建信息 SHOW CREATE DATABASE 数据库名; 或者: SHOW CREATE DATABASE 数据库名\G 注意:要操作表格和数据之前必须先说...
Replication’s not rocket science, but it needs a steady hand. You’re basically cloning your data across different databases. Keep unique server IDs and binary logging switched on, and make sure your data’s in sync. Then, it’s smooth sailing as your data flows from master to slaves. ...
Organizations can enjoy a wide range of benefits, including comprehensive and responsive support for MySQL databases across various infrastructures, whether it’s on-premises, in the cloud, or in a database-as-a-service (DBaaS) environment. With Percona, organizations can have peace of mind knowin...
In the upper-right corner of the Amazon RDS console, choose the AWS Region for the DB instance. In the navigation pane, chooseDatabases. Choose the MySQL DB instance name to display its details. On theConnectivity & securitytab, copy the endpoint. Also, note the port number. You need b...
MySQL Tutorial - Learn MySQL from scratch with our comprehensive MySQL Tutorial. Explore database concepts, SQL queries, and hands-on examples to master MySQL.
A good practice when using databases is to set the username, the password and the database name values at the beginning of the script code. If you need to change them later, this way you will be able to perform the change easily. $username="your_username"; $password="your_password"; ...