Understanding Databases

Sweep 18 Major databases: 12 species of sql+6 nosql remember that two or three years ago there were only a few cloud platform vendors to choose from, it seems that there is not much cloud database in the market. But after the cloud boomed, the cloud database also appeared to be springing up. And what is really reliable and easy to use, for users, and bad analysis. So, this paper analyzes the usability and application direction of 18 kinds of databases (note that the Management database service is not the database instance that still requires user management and implementation). There are still deficiencies, I hope to hear more ...

When it consulting firm Opencredo plans to deliver three new applications to a major insurer in seven months, it has set itself three goals: shortening development time, allowing frequent customer changes, and architecting a system that can handle unpredictable traffic spikes. CEO Russel Miles believes that with the help of cloud foundry open source framework and other Open-source software, Opencredo has done "some heavy work", such as configuring virtual machines and adjusting storage volumes ...

Enterprises in the process of information often use a number of systems such as enterprise resource planning (Enterprise Resource planing,erp), Customer relationship management (customers relationship MANAGEMENT,CRM), etc. The database data used by these systems are independent, which increases the difficulty of managing costs and maintenance. Private cloud and database consolidation can reduce system costs and complexity, improve flexibility and quality of service; Private cloud can be implemented for servers, storage, applications, or IT services ...

"IT168" I have always felt that nosql in fact very easy to understand, I have also had a very in-depth study of NoSQL, but in the recent preparation of yuntable chart, found that NoSQL not only very profound, 　　And my personal understanding of NoSQL is only superficial, but I am still a "shame and then Yong" people, so after a period of study, from the sixth part of this series, will talk to you nosql, and this article will be the main to do a NoSQL database review. ...

The concept of blockchain to technology has been around for a long time, but with the heat of the past two years, it has gradually become known by the market and many technicians.

One of the key decisions faced by enterprises that perform large data projects is which database to use, SQL or NoSQL? SQL has impressive performance, a huge installation base, and NoSQL is gaining considerable revenue and has many supporters. 　　Let's take a look at the views of two experts on this issue. Experts· VOLTDB's chief technology officer, Ryan Betts, says that SQL has won widespread deployments of large companies, and that big data is another area that it can support. Couchba ...

One of the key decisions that companies that perform large data [note] projects face is which database to use, SQL or NoSQL? SQL has impressive performance, a huge installation base, and NoSQL is gaining considerable revenue and has many supporters. 　　Let's take a look at the views of two experts on this issue. Experts· VOLTDB's chief technology officer, Ryan Betts, says that SQL has won widespread deployments of large companies, and that big data is another area that it can support. Couch ...

"HBase Authority Guide" in-depth study one: Know hbase blog Category: Hbasehadoop hbasehadoopnosql One, hbase what? First of all, HBase is a distributed database of NoSQL in the HDFS distributed storage System of Hadoop, which has the following characteristics: 1, provide random, real-time read-write query, by ...

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall now many enterprises are starting to organize their own database, want to promote sales through it, enterprises want to develop the choice of this method is very correct, but on the database marketing some statistics and customer maintenance methods, some enterprises do not perfect, 　　Because now the city of the company is also doing database marketing, so there is some understanding of this, because we have to do the database master, empty city is only to elaborate on his point of view, I hope you can help the business owners. What is database marketing?...

Sometimes the best way to learn about a software product is to see how it is used. It can solve what problems and how these solutions apply to large application architectures that can tell you a lot. Because HBase has a lot of open product deployments, we can do just that. 　　This section describes in detail some of the scenarios in which people successfully use HBase. Note: Do not limit yourself to the belief that hbase can only solve these usage scenarios. It is a nascent technology, and innovation based on the use of the scene is driving the development of the system. If you have new ideas, think you can benefit from HBAs ...