In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-02-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
Share
Shulou(Shulou.com)06/01 Report--
This article mainly introduces the common methods of optimizing the database, the article is very detailed, has a certain reference value, interested friends must read it!
Tuning a database can usually be done in the following ways:
Select the most applicable field attribute, minimize the width of the defined field, and set the field to NOTNULL as much as possible. For example, "province" and "gender" are best suited to ENUM.
Use JOIN to replace subqueries
Use UNION instead of manually created temporary tables
Transaction processing
Lock tables, optimize transaction processing
Optimize the locking table by using foreign keys
Build an index
Optimize query statement
The above are all the common methods to optimize the database, thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.