对 DBA 来说，慢 SQL 是棘手的，往往不是看懂一条 EXPLAIN，而是这件事总在重复。 今天业务报警，你先上机器翻慢日志；找到可疑 SQL，再去客户端跑分析；确定问题后，把结论发给研发；等改完上线，再回来做回归。一次排障看起来不复杂，但当数据库实例越来越多、业务越来越碎、团队越来越忙时，慢查询治理就很容易变成一件“每次都重新开荒”的事。 NineData 社区版想解决的，就是这个问题。 它 ...

Learn how to use the Azure Portal to create a cloud-based SQL database with just a few mouse clicks. While the embrace of big data, machine learning, and IoT by business enterprises everywhere may ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing an ...

While approaches and capabilities differ, all of these databases allow you to build machine learning models right where your data resides. In my October 2022 article, “How to choose a cloud machine ...

Hadoop has introduced a lot of agility into the world of analytics and data integration. Concepts such as schema on read and the radical flexibility of processing data stored in files have allowed ...

DBeaver is a free, open-source, cross-platform SQL client and database administration tool. It is designed to support a wide variety of SQL and NoSQL databases, including MySQL and PostgreSQL. Its key ...

The ‘Suspect’ mode of the SQL database indicates that the recovery process has started but failed to complete. The database goes into suspect mode if the primary data file is damaged or the database ...

The transaction log file contains the SQL Server transactions of the database. It basically records the database transactions and the changes made by the transactions to the database. The logs are ...