create table tablename

MySQL Getting Started TutorialTurn http://www.cnblogs.com/mr-wid/archive/2013/05/09/3068229.htmlIntroduction to MySQL Related conceptsMySQL is a relational database (relational databases Management System), this so-called "relational" can be

This article is a detailed analysis of the MySQL Database engine introduction, differentiation, creation and performance testing, the need for a friend reference Introduction to the Database engineThe MySQL database engine depends on how MySQL was

1. MyISAM: The default table type, which is based on the traditional ISAM type, ISAM is an abbreviation for indexed sequential access method (indexed sequential access methods), which is the standard way to store records and files. It is not

Directory First, the relevant concept of MySQL introduction Second, the configuration of MySQL under Windows Configuration steps Start, stop, and uninstall of MySQL service Third, the basic composition of MySQL

= = = MongoDB Basic Operation command =================DDL Operation ===========================================================================================Create Schema: Use schema; Create an object in the schema to Db.createcollection

One, Character set1.mysql character set is very flexibleYou can set the server default character set;Database default character set;Table default character set;column character set;If a level does not specify a character set, the previous level is

Garbled is the problem of the program ape, the following is a general introduction of several common situations. common in the page, foreground to background value, write to the database three aspects. 1. garbled pages The page is relatively easy

Ways to optimize MySQL databaseedit Delete Reprint 2016-09-12 14:17:15 Tags: it1, choose the most applicable field properties, as far as possible to reduce the definition of field length, as far as possible to set the field not NULL, such as '

interface, like MySQL, is the cmd interface, but not the database created in SQLite.exe:First or the CMD under the use of SQLite online has been a lot, do not do too much to repeat. Roughly speaking the corresponding command on the line, as a

PHP and MySQL transaction processingIn general, transactions should have acid characteristics. The so-called acid is Atomic (atomicity), consistent (consistency), Isolated (isolation), durable (persistent) four words written in the first letter, the

Log in to MySQLMySQL - h - u - PQuit MySQLExitOrquit;Create a databaseCreate Database [ other options ];CREATE database article character set UTF8; Create a database named article, and set the Utf-8 encoding for himSelect the database you want to

PHP and MySQL transaction processing/*There are two main ways to handle MySQL transactions.1, with Begin,rollback,commit to achieveBegin a transactionROLLBACK TRANSACTION RollbackCommit TRANSACTION Acknowledgement2, directly with set to change the

MyISAM: This is the default type, which is based on the traditional ISAM type, ISAM is an abbreviation for indexed sequential access method (indexed sequential access methods), which is the standard way to store records and files. Compared to other

http://blog.csdn.net/binger819623/article/details/5280267First, the concept of zoningSecond, why use zoning? AdvantagesIii. type of partition Four, sub-partitionV. Modification of partitions (additions, deletions, decomposition, merging)Vi.

PHP and MySQL transaction processing php and MySQL transactions/*There are two main ways to handle MySQL transactions. 1, the implementation begins with Begin,rollback,commit a transaction ROLLBACK TRANSACTION rollback COMMIT TRANSACTION

1. know a field name, how to find it in the database in which table? Use INFORMATION_SCHEMA;SELECT table_name from COLUMNS WHERE column_name= ' field name ';MySQL View library table field information is in Information_schemal, get data dictionary

SQL DML and DDL can divide SQL into two parts: Data manipulation Language (DML) and data definition language (DDL).SQL (Structured Query language) is the syntax for executing queries. However, the SQL language also contains syntax for updating,

First, the relevant concept of MySQL introduction Second, the configuration of MySQL under Windows Configuration steps Start, stop, and uninstall of MySQL service Third, the basic composition of MySQL script Iv. data

background: In recent years, open source databases have become popular. Due to its advantages of free use, simple configuration, good stability and excellent performance, open source database occupies a large market share in low-and middle-end

#!/usr/bin/python#coding =utf-8Import MySQLdbImport SysDb_username= ' Scto 'db_pass= ' xjtb2016 '#DB_CONF_PATH =Db_host= ' 127.0.0.1 'Db_port= ' 3306 'Db_basename= ' Test 'db_char_set= ' UTF8 '#连接数据库Def get_connect ():Return MySQLdb.connect (Host=db_