difference between guid and uuid

I looked for a long time on the internet, some people say UUID is better, is in the sub-database table, merge data what is easier, also some people say self-increase, to the table of data more time, performance than the UUID is much better, in the

I have been searching for it online for a long time. Some people say that uuid is better, that is, it is easier to merge data into sub-databases and sub-tables, and some people say that auto-increment is better, when there is more data in the table,

Let's pull the Code together-Hibernate's various primary key generation policies and configuration details, hibernate1. assigned A primary key is generated by an external program and must be specified before saving. Hibernate does not maintain

Basic ConceptsThere are three types of hard disk partitions, primary partition, extended disk partition, logical partition. A hard disk primary partition has at least 1, a maximum of 4, and an extended partition can be no more than 1. and the

I have learned SQL and ADO. net over the past two days ...... I. Database Overview: 1. DBMS (databasemanagementsystem, database management system) and database. When it comes to "databases", there may be two meanings: MSSQLServer, Oracle, and other

1, assigned The primary key is generated by an external program and must be specified before save (). Hibernate is not responsible for maintaining primary key generation. It is independent of hibernate and the underlying database, and can be

1, assignedThe primary key is generated by an external program and must be specified before save (). Hibernate is not responsible for maintaining primary key generation. It is independent of hibernate and the underlying database, and can be

1, assignedThe primary key is generated by an external program and must be specified before save (). Hibernate is not responsible for maintaining primary key generation. It is independent of hibernate and the underlying database, and can be

1, assignedThe primary key is generated by an external program and must be specified before save (). Hibernate is not responsible for maintaining primary key generation. It is independent of hibernate and the underlying database, and can be

Look at the code firstPackage Com.eshore.ismp.common.entity.contract;import Java.util.date;import Javax.persistence.basic;import Javax.persistence.column;import Javax.persistence.entity;import Javax.persistence.generatedvalue;import