MySQL has a variety of storage engines, MyISAM and InnoDB are two of the most common. Here are some basic concepts about these two engines (not in-depth introduction).MyISAM is the default storage engine for MySQL, based on the traditional ISAM type,
Introduction to MySQL Related conceptsMySQL is a relational database (relational databases Management System), this so-called "relational" can be understood as the concept of "table", a relational database consists of one or more tables .Basic
--The following description does not remember where it was copied?!Table partitioning is the logical separation of a large table into physical multiple small chunks, table partitioning provides several benefits:1. Some types of query performance can
from: http://blog.chinaunix.net/uid-29532375-id-4144615.htmlindexing and Optimizing queriesAn appropriate index can speed up queries and can be divided into four types: primary key, unique index, full-text index, normal index.PRIMARY Key: Unique and
MySQL There are a variety of storage engines, MyISAM and InnoDB are two of the most common. Here are some basic concepts about these two engines (not in-depth introduction). MyISAM based on the traditional ISAM type, full-text search is supported,
The storage engine in MySQL:1, the concept of storage engine2. View the storage engines supported by MySQL3. Features of several common storage engines in MySQL4. Mutual transformation between storage enginesFirst, the storage engine:1, storage
Desc Tablenamename;
Describe TableName;
Show Columns TableName;
Show CREATE TABLE tablename;
The show is+-------------+-------------+------+-----+---------+----------------+| Field | Type | Null | Key | Default | Extra |+------------
1. View all the character sets supported by the databaseshow character set; or show char set;2. Check the current status including the character set settings of courseStatus or \s3. View the system character set settings, including all character set
"Introduction to the Background"during the use of SQL Server database, you must have had to solve a variety of problems experienced, many times, will be in everyone's blog to see Problems and solutions. Now that the development is using the MySQL
Modifying the table engine methodMethod 1: Modify the Mysql.ini configuration file and restart the MySQL service to take effectModify the My.ini, and under [mysqld] AddDefault-storage-engine=innodbWhere the red font portion is the name of the engine
Reprinted from: Basic composition of Http://blog.csdn.net/angel_g/article/details/53324176#t18MySQL scriptsLike the regular scripting language, MySQL also has a set of rules for the use of characters, words, and special symbols, and MySQL executes
MyISAM is the default storage engine for MySQL, based on the traditional ISAM type, which supports full-text search, but is not transaction-safe and does not support foreign keys. Each MyISAM table is stored in three files: the frm file is stored as
21 minutes MySQL Getting Started tutorialSource Post URL: http://www.cnblogs.com/mr-wid/archive/2013/05/09/3068229.htmlDirectory
First, the relevant concept of MySQL introduction
Second, the configuration of MySQL under Windows
Organized a number of database table information and other operations SQL, slowly Add.--------------------------------------------------1. know a field name, how to find it in the database in which table? Use INFORMATION_SCHEMA;SELECT table_name
PrefaceIn the database is a sheet of inextricably linked tables, so the table design is good or bad, will directly affect the entire database. While designing the table, we will focus on one issue and what storage engine to use. Wait a minute,
I. Related operations of the database1. Create a databaseCreate Database dbname;2. See what databases are in the systemshow databases;3. Choose which data to useUse Daname4. See what data tables are in a databaseUse dbnameShow tables;5. Deleting a
For an understanding of the index refer to this post:Http://www.cnblogs.com/newpanderking/p/3781043.htmlTypes of indexes and creating posts:http://blog.csdn.net/xluren/article/details/32746183Advantages and disadvantages of the index:MySQL Tutorial:
Chapter One, DBA5 minute ExpressThe knowledge points in this chapter are as follows:
Look for a statement that runs slow sql:
Show full processlist view all executing processes and the execution of the statement time-consuming;
On the Internet to check some of the MySQL coding related information, here to tidy up, the wrong place to welcome you to criticize. 1. mysql character set-related variables:-Character_set_server: Default internal operation character
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