Tag：sub-treasury
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Time：2020-11-29
List of articles catalog 1、 Introduction to shardingsphere 2、 Sharding JDBC 2.1 sharding JDBC horizontal table splitting 2.2 implementation of JDBC 2.3 sharding JDBC operation common table 2.4 sharding JDBC implements read-write separation 3、 Sharding proxy Before learning, first understand the concept of sub database and sub tablehttps://spiritmark.blog.csdn.net/article/details/109524713 1、 Introduction to shardingsphere In the design […]
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Time：2020-11-26
History of database development RDBMS Representatives: Oracle (commercial), MySQL (open source).Relational database (RDBMS) is the most widely used database management system. It can not only store data, but also perform complex data operations (left join, subquery, etc.).He has the following shortcomings: Cannot process unstructured data. In essence, it is a stand-alone system, which is difficult […]
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Time：2020-11-23
With the development of the Internet information industry, the data volume of each company is steadily increasing, and even some companies are growing exponentially. In addition to some companies directly stepping into big data, we can imagine the database pressure of their own companies. After encountering these problems, hard-working programmers like various ways to solve […]
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Time：2020-11-14
Glory-Admin Gloriyadmin is a background framework based on springboot2.1.9.release and Vue admin template; Gloryadmin uses role-based rights management. The role tree is a tree with “system administrator” as the root node, and the permission tree is composed of multiple sub permission trees. “System administrator” has all permissions; non system administrator role can view the information […]
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Time：2020-11-2
Book continued“One article quick introduction sub database sub table (compulsory course)”This article took a long time. It was originally planned to be finished a week ago. As a result, the personnel in the family suddenly changed, and the leadership handed over the power, and then announced that I was officially a father. Then my family […]
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Time：2020-10-26
There were a lot of new entrants beforeJavaThe fans leave a message, want to learn the technology of sub database and sub table systematically, but I haven’t made up my mind to do it. Now I catch up with the company’s project in usesharding-jdbcFor existingMySQLThe architecture is transformed into sub database and sub table, so […]
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Time：2020-10-18
The data access layer of ant financial has three core components: data access framework zdal, data access proxy DBP and oceanbase proxy server obproxy. This article mainly deals with zdal and obproxy. As a standard component of data access in the whole station, zdal not only provides the application capabilities of sub database and table, […]
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Time：2020-9-30
Theoretical knowledge Sub table – on the surface, it is to divide a table into n small tables, each of which is a complete table. After sub table, the data is stored in sub table. The master table is just a shell, and the access data takes place in one sub table. After splitting the […]
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Time：2020-9-17
Author: Mona Ludaohttps://www.cnblogs.com/state… A rookie like me always has all kinds of questions. At the beginning, they have questions about JDK API, NiO and JVM. After working for several years, they have new questions about service availability and scalability. What kind of questions? In fact, it is a common topic: the expansion of service. 1、 […]
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Time：2020-9-13
Interview questions How to design a high concurrency system? Psychological analysis of interviewers To tell you the truth, if the interviewer asks you this question, you have to work hard. Why? Because you don’t see what many companies are looking for in JD now. Experience with high concurrency is preferred. If you really have real […]
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Time：2020-9-4
Speed up SQL optimization Scene description In our actual development, with the continuous increase of business, the amount of data is also rising, which is inseparable from a problem: data query efficiency optimizationAccording to my previous practical project work experience and learning knowledge, now I make a simple summary of SQL query optimization. I hope […]
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Time：2020-9-1
Last time: MySQL database introduction multi instance configuration When it comes to data, everyone will be nervous. There are many types of data, but in a word, data is very important and very important. Therefore, the daily data backup work has become the focus of operation and maintenance work Let’s first look at the data […]
