Spring boot implements read-write separation (based on Mybatis, mysql)
Recently, the task is relatively light, and I have free time to learn learning technology, so I come to study how to realize the separation of reading and writing. Here we use blog to record the process. On the one hand, it can be viewed in the future, and on the other hand, it can also be shared with you (most of the information on the Interne ...
Posted by ctoshack on Tue, 16 Jun 2020 23:22:11 -0700
My development diary
Today, I mainly solved the verification of the login status of the test account. My current solution is to use the special syntax uid=123 when writing the test case, which means that the field of the use case should go to the login credentials of the test account with uid equal to 123. The difficulty is that the login credentials will expire an ...
Posted by tbach2 on Tue, 16 Jun 2020 21:49:56 -0700
Spring boot integrates redis trampling diary
In addition to providing excellent automatic testing for common relational databases, spring boot also provides automatic configuration support for many NoSQL databases, including redis, mongodb, elastic search, Solr and Cassandra.
01 integrate redis
Redis is a very fast non relational database. It can store the mapping between key and five di ...
Posted by carrotcake1029 on Tue, 16 Jun 2020 21:16:33 -0700
Chapter 2 Introduction to MyBatis
Simple Edition
Create a test table
Create the corresponding JavaBean
Create mybatis configuration file and sql mapping file
test
MyBatis operation database
Create MyBatis global profile
The global configuration file of MyBatis contains settings and properties information, such as database connection pool information, which affect MyBatis' ...
Posted by sumolotokai on Tue, 16 Jun 2020 20:27:06 -0700
Summary of common MySQL constraints
Previous writing is too messy, turn it out and reorganize it
Small Catalog Series:
(1) Getting started with MySQL is not a big problem
https://segmentfault.com/a/11...
(1) introducing constraints
(1) Where do constraints occur?
To explain constraints, you need to know where and why constraints are used.
The SQL language completes the definitio ...
Posted by gacon on Tue, 16 Jun 2020 18:12:15 -0700
SpringBoot send mail from multiple email sources
preface
.
Realization ideas
Spring boot starter mail will spring.mail.xxx The related configuration automatically configures JavaMailSender. But only a s ...
Posted by Xyox on Tue, 16 Jun 2020 01:11:25 -0700
Java--JDBC database connection pool
Java--JDBC database connection pool
Blog description
The information involved in this article comes from Internet collation and personal summary, which means personal learning and experience summary. If there is any infringement, please contact me to delete, thank you!
concept
In fact, it is a container (Collection) for database connection.
A ...
Posted by hayson1991 on Tue, 16 Jun 2020 01:05:54 -0700
Java--JDBC database connection pool
Java--JDBC database connection pool
Blog description
The information involved in this article comes from Internet collation and personal summary, which means personal learning and experience summary. If there is any infringement, please contact me to delete, thank you!
concept
In fact, it is a container (Collection) for database connection.
A ...
Posted by luke_barnes on Mon, 15 Jun 2020 22:21:15 -0700
Python 3.7 learning notes 27 context manager
Python 3.7 learning notes 27 context manager
Input and output of files, connection and disconnection of database are common resource management operations. Because of limited resources. In such a scenario. If these resources are used but not released. It will cause resource leakage. Light makes the ...
Posted by mcmuney on Mon, 15 Jun 2020 19:33:05 -0700
Mybatis Environment Configuration and CRUD
What is MyBatis?
MyBatis is an excellent persistence layer framework that supports custom SQL, stored procedures, and advanced mapping.MyBatis eliminates almost all JDBC code and setting parameters and getting result sets.MyBatis can configure and map raw types, interfaces, and Java POJO s (Plain Old ...
Posted by smitho on Mon, 15 Jun 2020 18:22:30 -0700