What is the solution to the strange error message "db already exists with different case already have"

Strange error message "db already exists with different case already have" what is the solution, I believe that many inexperienced people do not know what to do, so this paper summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.

Previously, we have done the function of inserting transaction data into the database, but after updating 1.92, we reported an error every time.

Db already exists with different case already have: [VnTrader_DEAL_Db] trying to create [VnTrader_DEAL_Db]

Online search is a case problem, said that the mongodb database name is not case-sensitive, when there is a database with the same letters, but different case, it will put forward error message, let you change to the same name.

The problem is that mine is exactly the same, directly copy. After thinking about it for a long time, I tested it again and found that it was OK to change the original double quotation marks to single quotation marks. That's weird.

# encoding: UTF-8from pymongo import MongoClientfrom vnpy.trader.vtGlobal import globalSettingif _ _ name__ = = "_ main__": dbClient = MongoClient (globalSetting ['mongoHost'], globalSetting [' mongoPort'], connectTimeoutMS=500) db = dbClient ['VnTrader_DEAL_Db'] collection = db ["IC.Test"] collection.insert_one ({"key": 23}) Have you mastered the solution to the strange error message "db already exists with different case already have"? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!