database table design best practices

database, standardizing is the process of translating it into tables that can make the results from the database clearer. This may result in duplicate data being generated by the database, resulting in the creation of redundant tables. Standardizing is a refinement of the data elements, relationships in the database,

database table DesignCreate Tablet_article (article_idinteger, Article_titlevarchar2( $), Article_contentvarchar2( -), CreateDate date, updatedate date)Create TableT_article_index (article_idinteger, index_updatedate date)Insert intoT_articleValues(1,'Title1','Content1', sysdate,sysdate);Insert intoT_articleValues(2,'Title2','Content2', To_date ('2015-10-17 22:00:53','YYYY-MM-DD Hh24:mi:ss'), sysdate);Ins

The design of the table ' content ' cannot be modified. It's in a read-only database.

Label: ---Role permissions (user-role) CREATE TABLETd_role_staff (IDVARCHAR2( -), staff_idVARCHAR2( +),--' Coast 'role_idVARCHAR2( +),--' R002 'Role_nameVARCHAR2( +),--' Data Management Department Administrator ' --Role_type VARCHAR2 (5),---role/usr ROLEValid_flagVARCHAR2(2), Optdate DATE, RMKVARCHAR2( -) ); --system Menu Node Select * fromTd_sys_menus---Menu Permissions-- CREATE TABLETf_role_staff_menu (IDVARCHAR2( -), staff_idVARCHAR2( +), menu_idVARCHAR2(5), Valid_flagVARCHAR2(2), Optdate

The 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. A paradigm is a summary of a

Table is one of the most basic objects in an Oracle database. The base object for a database is very important for a high-rise building from the ground up. Because the design is reasonable, directly related to the performance of the database. From Oracle

[Redis 1] Redis database learning and practices-installation and deployment, redis learning and practicesRedis database learning and practice-installation and deployment 1: Redis database introduction: Redis-Remote DictionaryServer can be directly understood as a Remote dictionary service. Here, I will extract a sectio

Summary of database MySQL tuning practices and mysql tuning practices MySQL databases are widely used, with excellent stability and security. They have been verified by countless companies. It is far from enough to install and use MySQL. MySQL requires constant parameter adjustment or optimization settings to maximize its role. The content below is a summary of m

played a huge role in promoting enterprise-level software development. This article mainly introduces the basic concepts, elements and features of the domain-driven design, compares the features of the transaction script and the domain model, and finally introduces our domain-driven design practices in the software development process.What is domain-driven

development tool is used or what structure software is developed. According to the customer's application environment, mainly in the MS SQL Server database development, of course, there are Oracle database based software development. Because of the increase of the amount of data, the use of large relational database system as the data storage management of the

Objective The vast majority of Oracle database performance problems are caused by unreasonable database design, only a small number of problems rooted in db Buffer, Share Pool, Redo Log buffer and other memory module configuration unreasonable, I/O contention, DBA responsibilities, such as CPU contention. So unless you are faced with a system that is not changed

of the operation will be very convenient. This design satisfies the first paradigm of the database, as shown in the following table. The user information shown in the table above follows the requirements of the first paradigm, which makes it very convenient to classify users using cities, and also improves the perfor

Tags: CTC move principle Tom brings the same work nbsp assignmentThe concept of database system was learned at school, and was uniformly indefinitely, and remained at the definition and certification level. Recently in the project, seriously understand the next database paradigm problem, only the subconscious understanding of its principles and applications to quickly d