Timestamp and datetime in MySQL
In MySQL, time is the type we use most. How do you choose the time field type when creating a table? Some people will say timestamp, while others will say datetime. So how do we choose? What's the
The difference between where and having in MySQL
Misunderstanding:Don't be wrong, think HAVING and Group BY must be used with it.Analysis of where and having usage:1. WHERe and having can use scenes: Select goods_price, goods_name from goods wh
MyBatis Plus Generator generates Entity
When using the MyBatis database persistence layer framework, we often use MyBatis Plus and its code generator to simplify development and improve efficiency.When generating an Entity, the policy confi
Flyway version management database common errors and solutions
Flyway is a database version of management tool that realizes the automation upgrade of DB Migration through SQL scripts. It supports independent operation. It can also integrate with the construction
2022-12-06
Español
Português