database table design best practices

, select "Trust Center" à "Trust Center Settings"3. Select "Macro Settings" à "Enable all macros (not recommended: Potentially dangerous code may run) (E)"and tick "Trust access to the VBA project object Model"4. Click "OK" to complete the setup, then you can use "Dbexportdoc V1.0 for MySQL" to generate the database world documentIii. Creating a World document1, double-click "Dbexportdoc V1.0 for MySQL" will pop up the window, connect the database2. S

Web rights design, do the right now there are three main ways to implementFirst Type: manual implementationConfigure 2 interceptors, one is to intercept whether to login, one is to intercept the URL permissions, through the role of the Permissions table configuration, the path of the permission URL and access to the URL of the resource to matchThe second type: spring-security implementation, heavy, not reco

Address: http://www.cnblogs.com/daxnet/archive/2012/04/16/2452660.html Two years ago, I published a series of articles in my blog titled EntityFramework-driven design practices in the field, which also attracted the attention of many readers. After summing up the series of articles, this part of content has never been updated. Now, EntityStable version of the Framework (that is, the Stable version, not th

Designing a database is actually a design table (multiple tables)Database Design 3 paradigm (3NF): Paradigm, the norm, refers to the principle that the design database needs to be fo

You do two things before you go to bed every day. the design of database tableA pair of many pairs of more than one one-on-one One-to-many or Many-to-many one: multiple parties plus foreign keys, describing the relationship of the data Many-to-many: Add an intermediate table to describe the relationship table

database table Design optimization :Sometimes in order to improve the efficiency of the database, we can properly consider the inverse three paradigms, add redundant fields appropriately, and reduce multi-table to correlate queries . Use index :2.1

Database optimization tutorial (11) Design a beautiful table and database Optimization4. Design a beautiful table The previous chapter describes how to use indexes to accelerate our query statements. This chapter allows us to go b

Tags: style color os strong data SP on C lineIntroduction to the three paradigmsThe paradigm of the table: only the first normal paradigm can satisfy the second paradigm, and the third paradigm can be satisfied further.1. The first paradigm :The columns of the table are atomic and can no longer be decomposed. As long as the relational database is automatically sa

(4) mysql Optimization-Database Table Design Optimization-mysql database Overview During the database design process, users may frequently encounter the following problems: 1. How long should the field in the

Label:The vast majority of Oracle database performance problems are due to the unreasonable database design, only a small number of problems rooted in databases buffer, Share Pool, Redo Log buffer and other memory module configuration unreasonable, I/O contention, CPU contention, and so on DBA responsibility scope. Therefore, unless the face of a system has been

Tags: database design english Word data table underline nameDatabase naming rules:Named according to the actual meaning of the project.Data table naming rules:1. The names of the data tables are mostly in the plural form of nouns and are lowercase;2. Use the prefix "Table_" as far as possible;3. If the

The ORACLE tutorial is: several methods to optimize the design of Oracle database tables. Preface Most Oracle Database performance problems are caused by unreasonable Database design. Only a small number of problems are rooted in the unreasonable configuration of memory modu

Tags: structured cluster database Cache distributedAbout the design of the Forum databaseArticle Category: DatabaseA simple forum system1: Contains the following information:2: Daily forum visits about 3 million, update posts 100,000 or so.Please give the structure design of database

Http://www.cnblogs.com/RunForLove/p/5693986.htmlThe three paradigms of database design: In order to build a database with small redundancy and reasonable structure, we must follow certain rules when designing database. In a relational database, this rule is called a paradigm

Label:Database naming rules: Named according to the actual meaning of the project. Data table naming rules: 1. The names of the data tables are mostly in the plural form of nouns and are lowercase; 2. Use the prefix "Table_" as far as possible; 3. If the table name of the data table is made up of multiple words, try to connect it with an underscore, but do not e