what database structure

Detail of the structure diagramThe following SVG picture (Scalable vector graph) includes all the tables used in the Confluence database. Click the connection below to open the picture connection in your browser, and you can then download the

The database uses MSSQL 2005There are four of tablesOfflinemessage offline messages stored in this table if the friend is not on the line when the message is sentAfter waiting for a friend to go online, the server gets a message from this table,

The database contains many tables and data, and sometimes you need to create a script to export the table structure along with the dataHere's how:1. Right-click the database and select Tasks---> Generate script2. According to the requirements,

from__future__ Import unicode_literals fromdjango.contrib.auth.models Import User fromdjango.db Import models# Create your models here.classHost (models. Model): Hostame= Models. Charfield (max_length= -) IP=models. Genericipaddressfield ()

DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd ">HTMLxmlns= "http://www.w3.org/1999/xhtml">Head>Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8" />styletype=

BackgroundCode first when the model is modified, to persist in the database, the original database is always deleted and then created (dropcreatedatabaseifmodelchanges), this time there is a problem, when our old database contains some test data ,

My understanding of Codefirst, with the corresponding Modelfirst and Databasefirst, the three have their own choice according to the actual situation of the project.1, the development process in advance design database and according to this in the

Display Databaseshow databases;Select DatabaseUse database;//actually database for the nameCreate a tableCREATE TABLE Tbclass (ID int NOT NULL auto_increment primary key,ClassName varchar () NOT NULL unique,Studentnum smallint NOT NULL)

First, prefaceThe application of the rights management system should be used in three different natures,A, permission to useB, assigning permissionsC, Authorization permissionsThis article only from the "Use Rights" and "assign permission" Two

BackgroundCode first when the model is modified, to persist in the database, the original database is always deleted and then created (dropcreatedatabaseifmodelchanges), this time there is a problem, when our old database contains some test data ,

reprint: http://www.cnblogs.com/leoxie2011/archive/2011/05/19/2050626.htmlFirst, prefaceThe application of the rights management system should be used in three different natures,A, permission to useB, assigning permissionsC, Authorization

1. Add fieldsALTER TABLE DOCDSP Add DspcodeCHAR (200)2. Delete a fieldALTER TABLE table_name DROP COLUMNcolumn_name3. Modify the field typeALTER TABLE TABLE_NAME ALTER COLUMNcolumn_name New_data_type4.sp_rename renamingEXEC sp_rename ' [dbo]. [Table_

  Oracle logical database structure Overview Database space allocation units:Data Block, extent, and segment).   Specific concepts can be seen: http://hi.baidu.com/feixianxxx/blog/item/8d5429028d05dc091d95838a.html   I want to write a fewNotes:   1.

Steps and solutions for importing MYSQL database structure in PowerDesigner We are using PowerDesigner today and want to import the MySql table structure to PowerDesginer, Follow these steps: 1, first of all to ensure that the machine installed

  Figure-LAMP LAMPInsideMySQLThe database structure and data export and import operations are shown to you! MySQL mysqldump is used for export. The basic usage is as follows: Copy content to clipboard PHP code:

Establish Access database structure with VB Privatesubcommand#click () OnErrorGoToErr100 'Define tables and fields DimDefDatabaseAsDatabase DimDefTableAsTableDef, DefFieldAsField SetDefDatabase = Workspaces (0). OpenDatabase (App. Path & "vbeden.

Database structure optimized by MySQL: bitsCN.com optimizes the table data type using the procedure analyse function The data type used by the table depends on the application. In MySQL, you can use the procedure analyse () function to analyze the

Physical storage structure of Oracle Database Structure 1 , Physical storage structure 1.1 Data Files Data files are used to store all database data. Storing data in multiple data files and storing data files in Different Hard disks can

There are several versions of Project Databases installed in the machine. I want to know what the New and Old database structures are like. I searched several gadgets on the Internet. Either oracle is not supported, or the functions are too weak.

DedeCMS database structure field description-Brief description, dedecmsDede_addonarticle additional article tableAid int (11) Article No.Typeid int (11) Category column no.Body mediumtext contentDede_addonflash appended Flash tableAid int (11) FLASH