mysql vs mssql performance

Six tips for parsing MySQL database performance optimization bitsCN.com database tables have indexing and error prevention mechanisms on the surface. However, a simple query takes a long time. Web applications may run well in the development environment, but are equally bad in the product environment. If you are a database administrator, you may have encountered the above situation at a certain stage. There

Six tips for MySQL database performance optimization: bitsCN.com On the surface of the database table, there is an index and error prevention mechanism. However, a simple query takes a long time. Web applications may run well in the development environment, but are equally bad in the product environment. If you are a database administrator, you may have encountered the above situation at a certain stage.

Mysql performance monitoring tool Innotop, mysql monitoring innotop Mysql monitoring management tool-innotop 1. innotop InstallationReference Official Website: http://innotop.googlecode.com/svn/html/installing.html # Wget http://innotop.googlecode.com/files/innotop-1.9.0.tar.gz# Tar-zxvf innotop-1.9.0.tar.gz# Cd innoto

Performance Comparison between MyISAM engine and InnoDB engine in MySQL table structure Create table 'myisam '('Id' int (11) not null auto_increment,'Name' varchar (100) default NULL,'Content' text,Primary key ('id ')) ENGINE = MyISAM default charset = gbk; Create table 'innodb '('Id' int (11) not null auto_increment,'Name' varchar (100) default NULL,'Content' text,Primary key ('id ')) ENGINE = InnoDB defa

Five configuration parameters that affect MySQL Performance: bitsCN.com The following articles mainly introduce the five configuration parameters that closely affect MySQL Performance. I saw the five configuration parameters that closely affect MySQL

Ten parameters for optimizing MySQL database performance (1) and max_connections: Number of Customers allowed simultaneously. Increase the number of file descriptors required by mysqld. This number should be added. Otherwise, you will often see the too connector connections error. The default value is 100. I will change it to 1024. (2) record_buffer: Each thread that performs an ordered scan allocates a bu

This article mainly introduces my. ten parameters (recommended) for optimizing mysql database performance by using ini. For more information, see mysql 5.5.45, otherwise, mysql is really unpleasant. (1), max_connections:Number of Customers allowed simultaneously. Increase the number of file descriptors required by mys

Ten parameters for optimizing MySQL database performance: bitsCN.com (1), max_connections: Number of Customers allowed simultaneously. Increase the number of file descriptors required by mysqld. This number should be added. Otherwise, you will often see the too connector connections error. The default value is 100. I will change it to 1024. (2) record_buffer: Each thread that performs an ordered scan alloca

Mysql: 21 best practices for performance optimization 4 [index search fields] Mysql: 21 performance optimization best practices 4 [index search fields] _ MySQL Create an index for a search field An index is not necessarily a primary key or a unique field. If a field in

MYSQL development performance research-batch data insertion optimization method, mysql batch I. What problems have we encountered? In standard SQL, we usually write the following SQL insert statement. INSERT INTO TBL_TEST (id) VALUES(1); Obviously, this method is also feasible in MYSQL. However, when we need to insert

High-Performance MySql evolution (11): Optimization of common query statements bitsCN.com Summarize the optimization methods of common query statements.1 COUNT 1. Functions of COUNT · COUNT (table. filed) indicates the number of records for which this field is not null. · COUNT (*) or COUNT (not nullable field) indicates the number of rows in the entire table. If you COUNT the number of records in the entir