transactional database vs relational database

Learned a period of time database, look back, incredibly also understand the principle of relational database is what, shame. First of all, learn the "cow" insights, and then slowly digest the understanding.A database is an organization (or department) that is associated with a data set that is structured in a way that

Label:The disadvantages of relational databases: with the rise of Internet web2.0 Web site, the traditional relational database in dealing with web2.0 website, especially the super-large-scale and high-concurrency SNS type web2.0 pure dynamic website has appeared to be inadequate, exposing a lot of difficult problems to overcome , For example: 1. High performance

For example, recently, a colleague suddenly wanted to create a relational database on his own. Functions can be incomplete, but SQL statements can be identified for addition, deletion, query, and modification. Is there any good information for recommendation, because I found that all the databases found on the Internet are in mysql, not the whole database, or is

Label:database table structure Design specification-Briefly, why is it, because the main point of view is from the original public account of an article, slightly added some of their own views.Who is going to design the database?Certainly is the concrete development engineer to carry on, develops schoolmate's words, first business familiarity degree is higher, second unifies Oo and Orm's thought, can have the good use

NoSQL systems generally advertise a feature, that is, good performance. Why? After so many years of development in relational databases, various optimizations have been done very deeply. NoSQL systems generally use relational database technology. What factors have bound the performance of relational databases? We can l

The learning objectives of this lesson Define the terminology associated with a relational database Discuss the function of the primary key Discuss the functions of foreign keys List the benefits of a relational database Describe the difference between a star schema and a third-paradigm data mo

The advantages of MongoDB compared to relational databases:① Weak consistency (eventually consistent), to ensure the user's access speed:For example, in a traditional relational database, a count type of operation locks the dataset so that the exact value in the "current" case can be guaranteed. This is important in some cases, such as checking account informatio

Source: http://www.cnblogs.com/mokafamily/p/4076954.htmlThe explosive development of NoSQL technology　　For a long time in the past, relational databases (relational database Management System) have been the most mainstream database solution, He uses things and relationships in the real world to explain the abstract dat

Http://db-engines.com/en/rankingTransferred from: http://www.cnblogs.com/mokafamily/p/4076954.htmlThe explosive development of NoSQL technology　　For a long time in the past, relational databases (relational database Management System) have been the most mainstream database solution, He uses things and relationships in

Since the introduction of the relational database model by edugatd in 1970, relational databases began to emerge. After more than 40 years of evolution, today's relational databases have a wide variety of features and are widely used. In the face of so many relational databa

Label:A collection of all relationships that correspond to a relational model is called a relational database. In a relational model, relationships between entities and entities are expressed in relation to each other. For example, the relationships between teachers, students, courses, lectures, and learning in example