Recommended articles about @Transactional

1. Examples of usage scenarios Before understanding how to use @Transactional, we must first know what @Transactional is used for. Here's an example: For example, there are many members in a department, which are stored in the department table and member table respectively. When deleting a department, assume that we delete the corresponding members by default. However, this situation may occur during execution. We delete the department first, and then delete the members. However, the department is deleted successfully, but an exception occurs when deleting the members. At this time, we hope that if the member deletion fails, the previously deleted departments will also be undelete. In this scenario, you can use @Transactional transaction rollback. 2. Checked exceptions and unchecked exceptions The reason why everyone is clear about the concepts of checked exceptions and unchecked exceptions is because: Spring uses declarative transaction processing. By default, if an unchecked exception occurs in the annotated database operation method, all databases The operation will rollback; if the exception that occurs is a checked exception, the database operation will still be submitted by default. ch

1. Detailed introduction to the @Transactional transaction rollback example and source code in Spring (picture)

Introduction: 1. Examples of usage scenarios Before understanding how to use @Transactional, we must first know what @Transactional is used for. Here's an example: For example, there are many members in a department, which are stored in the department table and member table respectively. When deleting a department, assume that we delete the corresponding members by default. However, this situation may occur during execution. We delete the department first, and then delete the members. However, the department is deleted successfully, but an exception occurs when deleting the members. At this time, we hope that if the member deletion fails, the previously deleted departments will also be undelete. In this scenario, you can use @Tran..

2. Detailed introduction to the usage of @Transactional in Spring

Introduction: This article mainly introduces the relevant information about the usage of @Transactional in Spring. Friends in need can refer to it

3. Spring combined with mysql transaction annotation @Transactional does not work related issues

Introduction: spring combined with mysql transaction annotation @Transactional does not work related problems encountered recently I encountered a rather strange problem. It seems that all configurations are correct, but the transaction does not work. First, the configuration file of the resin server to connect to the database is as follows: databasejndi-namejdbc/bbs7_app/jndi-namedrivertypecom.mysql.jdbc.jdbc2.opti

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