myisam vs innodb performance

Label:MyISAM and InnoDB explanation InnoDB and MyISAM are the two most common table types used by many people when using MySQL, both of which have pros and cons, depending on the application. The basic difference is that the MyISAM type does not support advanced processing such as transaction processing, and

that is unaffected by external concurrency operations. This means that the intermediate state in the transaction process is not visible to the outside, and vice versa. Persistence: After a transaction is complete, its modification to the data is permanent, even if a system failure persists. The MyISAM does not support transaction processing. Select, update,insert,delete action MYISAM: If a la

database platform, we need to meet the following requirements: 99.9% stability, for convenient scalability and high availability, MyISAM is definitely my first choice. The reason is as follows: 1. First, most of the projects on my current platform are read-write-less projects, while MyISAM has a much better read performance than

Tags: feature details Humanities class Delete arc requirements pros and cons MasterMyISAM and InnoDB explanation InnoDB and MyISAM are the two most common table types used by many people when using MySQL, both of which have pros and cons, depending on the application. The basic difference is that the MyISAM type does n

.DELETEFrom table, InnoDB does not reestablish the table, but deletes one row at a time.5.LOAD TABLE fromThe master operation has no effect on InnoDB, and the workaround is to first change the InnoDB table to a MyISAM table, import the data and then change it to a InnoDB tab

The difference in composition: MyISAM Each myisam is stored on disk as three files. The first file begins with the name of the table, and the extension indicates the file type. . frm file storage table definition. The data file has an extension of. MyD (MYData). The name of the index file extension is. Myi (Myindex). InnoDB A disk-based resource is a

MyISAM and InnoDB explanationInnoDB and MyISAM are the two most common table types used by many people when using MySQL, both of which have pros and cons, depending on the application. The basic difference is that theMyISAM type does not support advanced processing such as transaction processing, and InnoDB type suppor

InnoDB and MyISAM are the two most common table types used by many people when using MySQL, both of which have pros and cons, depending on the application. The basic difference is that the MyISAM type does not support advanced processing such as transaction processing, and InnoDB type support. The

need to widen the lock in the table because the InnoDB column lock is suitable for very small space. (4) A FOREIGN key constraint is provided. (5) The design goal is to deal with the large-capacity database system, and its CPU utilization is not comparable to other disk-based relational database engines. (6) Establish its dedicated buffer pool in main memory for caching data and indexes. (7) storing data and indexes in a tablespace, which may contain

Label:The main difference between the two types is that InnoDB supports transactional and foreign key and row-level locks. MyISAM is not supported. So MyISAM tend to be considered only suitable for use in small projects. I use MySQL as a user point of view, InnoDB and MyISAM

InnoDB and MyISAM are the two most commonly used table types used by many people when using MySQL, each with its own pros and cons, depending on the specific application. The basic difference is that the MyISAM type does not support advanced processing, such as transaction processing, but InnoDB type support.

Tags: ext using file Data class setInnoDB and MyISAM are the two most common table types used by many people when using MySQL, both of which have pros and cons, depending on the application. The basic difference is that the MyISAM type does not support advanced processing such as transaction processing, and InnoDB type support. The

Label:Source: http://www.jb51.net/article/47597.htm The basic difference:MyISAM types do not support advanced processing such as transaction processing, and InnoDB type support. The MyISAM type of table emphasizes performance, which is performed more quickly than the InnoDB type, but does not provide transactional supp