In the previous chapters, we have understood the various replication concepts. This is not just a theoretical overview of the things that will enhance your consciousness for the next thing to be introduced, but will also introduce you to a broad
The target of PostgreSQL is very similar to that of the current MySQL database. So what are the advantages of PostgreSQL? This article will be explained to you.
This article introduces the basic concepts of PostgreSQL's transaction processing
PostgreSQL Advantage2016-10-20 21:36 686 People read comments (0) favorite reports Classification:MySQL Database (5)PostgreSQL is a free object-relational database server (database management system), which is very powerful. Includes support for
Tag: Select the complete sequence process date ready version to generate the calculationPostgreSQL transaction processing and concurrency control:A transaction is the basic unit of work in PostgreSQL and is a user-defined sequence of database
PostgreSQL provides developers with a rich set of tools to manage concurrent access to data. Internally, data consistency is maintained by using a multi-version model (multi-version concurrency control, MVCC). This means that each SQL statement sees
PostgreSQL has its own transaction implementation model. Generally, there are three layers: toplayer, middlelayer, and bottomlayer.
PostgreSQL has its own transaction implementation model. There are three layers: top layer, middle layer, and bottom
PostgreSQL transaction model Introduction
PostgreSQL has its own transaction implementation model. There are three layers: top layer, middle layer, and bottom layer.
1. Top Layer
The Top Layer is mainly controlled by users and visible to users. This
In the field of open source database, PostgreSQL is well-deserved for its superior performance, function and good stability, especially for high concurrency support. and superior performance and stability, it is nothing but a good infrastructure,
Comparison between PostgreSQL and MySQL
Features
MySQL
PostgreSQL
Instance
Run the MySQL Command (mysqld) to start the instance. One instance can manage one or more databases. One server can run multiple mysqld instances.
2.4 Adjusting checkpoints and xlogSo far, this chapter has provided insight into how PostgreSQL writes data, in general, what Xlog is used for. Given this knowledge, we can now continue and learn what we can do to make our databases work more
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