mysql row size

How to configure MySQL database server on CentOS BitsCN.com accidentally found CentOS Professional Forum, remember: http://www.centospub.com As a result, the initial learning configuration This environment: CentOS system, Mysql-server (version

MySQL row-level lock, table-level lock, page-level lock details page-level: engine BDB. Table-level: engine MyISAM, which is interpreted as locking the entire table and reading at the same time. Row-level: engine INNODB, locking a single row of

Henan College of Traditional Chinese Medicine Course Design Report of MySQL Database Management  Title: Research and Implementation of MySQL Clusters       Completion date:2012January 1, December 31   Contents 1. Course Design overview 3 2. research

MySQL row-level locks, table-level locks, page-level locks, mysql details Page Level: Engine BDB. Table-level: Engine MyISAM, which is interpreted as locking the entire table. It can be read at the same time but cannot be written at the row level.

MySQL Row size limit First thanks for the answer. I have a table with more than 60 text fields, some of which may be filled with hundreds of characters. Then after you fill in the part of the application process, the following error occurs when the

This article transferred from: http://blog.sina.com.cn/s/blog_4c197d420101fbl9.htmlView the size of all libraries mysql> use information_schema;database changedmysql> select concat (Round (sum (data_length/1024/1024), 2 ), ' MB ') as data  from

1.MySQL Engine Overview 1.1 What is a storage engineWhen we record a video file, it can be converted to different formats such as mp4,avi,wmv, and on the computer's disk will also exist in different types of file system Windows common Ntfs,fat32,

Page Level: Engine BDB.Table-level: Engine MyISAM, which is interpreted as locking the entire table and reading at the same time.Row-level: Engine INNODB, locking a single row of records At the table level, the entire table is locked directly.

How to configure MySQL database server on CentOS This environment: CentOS system, Mysql-server (version forgot, because it was installed using yum) The process is as follows (reprinted, according to detailed installation requirements, slightly add

Inadvertently also found CentOS professional forum, remember: http://www.centospub.com So, the beginning of the learning configuration This environment: CentOS System, Mysql-server (version forgotten, because it was installed using Yum) Process