InnoDB 支持崩溃后安全恢复，MyISAM 不支持崩溃后安全恢复； InnoDB 支持行级锁，MyISAM 不支持行级锁，只支持到表锁； InnoDB 支持外键，MyISAM 不支持外键； MyISAM 性能比 InnoDB 高； InnoDB 主键查询性能高于 MyISAM。 不支持行级锁。 只能对整张表加锁，读取时会对需要 ...

Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D ...

Open source database vendors MySQL AB and Progress Software Corp's NuSphere Corp business have settled their differences over a contract dispute that very nearly became a legal test case for the open ...

DURHAM, NC--(Marketwired - Oct 15, 2014) - Percona, the company that makes MySQL faster and more reliable, today announced the program schedule, keynote speakers, sponsors, and a special community ...

索引对查询的速度有着至关重要的影响，理解索引也是进行数据库性能调优的起点。考虑如下情况，假设数据库中一个表有10^6条记录，DBMS的页面大小为4K，并存储100条记录。如果没有索引，查询将对整个表进行扫描，最坏的情况下，如果所有数据页都不在内存 ...

Yoshinori Matsunobu is a Production Engineer at Facebook, and is leading MyRocks project and deployment. Yoshinori has been around MySQL community for over 10 years. He was a senior consultant at ...

few mouse clicks. It even supports activation of some of the more advanced features of MySQL, such as indices, without requiring advanced technical knowledge from the users. universe with the back-end ...

few mouse clicks. It even supports activation of some of the more advanced features of MySQL, such as indices, without requiring advanced technical knowledge from the users. universe with the back-end ...

The Structured Query Language, used in the MySQL database, has great flexibility for selecting subsets of data from database tables. SQL's SELECT statement shows data from whole tables or any subset ...