reindex database mysql

Original article: Http://www.phpwell.com /? P = 174 PostgreSQL MySQL Service startup:1) # service PostgreSQL start2) #/etc/init. d/PostgreSQL start3) # Su-PostgreSQL$ Pg_ctl startPostgreSQL process number: 1210, 1207,

The new content about the database. The reasons for the slow query are many, and the following are common:1, no index or no index (this is the most common problem of slow query, is the defect of program design)2, I/O throughput is small, forming a

The data source is MySQL and the target media is elasticsearch.1. Resources we can use 1.1 source data model Source Library is someone else (inventory) data, divided into a,b,c three types of inventory model, it is necessary to integrate

In the latest version 2.4, mongodb has made all-new adjustments to user permission management, refining the permissions, enhancing security and becoming more and more like mysql permission management. I. Version user management before 2.4 1. Create

------------------------------------------------------------------------------------Search is divided into two types:1. Search for structured data: SQL statements query the content stored in the database.2. Search for unstructured data: text, images,

Practical SQL statement Daquan bitsCN.com I. Basics 1. description: create a database Create database database-name 2. description: Delete a database. Drop database dbname 3. description: back up SQL server --- Create a device for the backup

The translation of the series of articles I have put on the GitHub: blockchain-tutorial, follow-up updates will be on the GitHub, may not be synchronized here. If you want to run the code directly, you can also clone GitHub on the Tutorial warehouse

Sphinx1 Downloads Sphinxhttp://sphinxsearch.com/2 compiling the installationTAR-ZXVF sphinx.tar.gz./configure--prefix=/usr/local/sphinx--with-mysql=/usr/local/mysql make && make installImportant Three commands in Sphinx (Sphinx installed bin

SQL statement reference, including access, MySQL, and SQL ServerBase Creation DatabaseDeleting a databasedrop database dbnameBacking up SQL Server To create a device that backs up data USE masterEXEC sp_addumpdevice ‘disk‘, ‘testBack‘,

The reasons for the slow query are many, and the following are common:1, no index or no index (this is the most common problem of slow query, is the defect of program design)2, I/O throughput is small, forming a bottleneck effect.3. No computed