The difference between pg database and mysql

These two websites have different protocols and versions.

1. protocol, pg protocol is more tolerant, and software developed based on pg does not require open source. The GPL protocol of mysql requires that the software developed with it must be open source, otherwise it needs to be paid.

2.pg only has the community version, and there are no other branch versions. Mysql is split into three branch versions for historical reasons.

If you travel to the Three Kingdoms, in terms of your history, who do you want to help unify the whole country?

Does Rong Zhi, the hero of the novel Phoenix Prison, really exist in history?

Ten famous dishes in the history of China (the most famous dishes in China)

What should we pay attention to when doing oral history?

Evaluation of the historical unit of the second day of junior high school

Hello, historical flagship store. Who owns it?

What does the unity of home and country mean in history, from when to when?

What are the five Nordic countries?

How to query medical insurance payment records?

History of China Network Communication Group Company