mysql database uri,未设置SQLALCHEMY_DATABASE_URI

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我是靠谱客的博主温婉服饰，最近开发中收集的这篇文章主要介绍mysql database uri,未设置SQLALCHEMY_DATABASE_URI，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

I tried to work with CURD operation using Flask and SQLAlchemy.But getting Error while connecting to database.

Here is the Error log.

/usr/local/lib/python3.4/dist-packages/flask_sqlalchemy/__init__.py:819: UserWarning: SQLALCHEMY_DATABASE_URI not set. Defaulting to "sqlite:///:memory:".

'SQLALCHEMY_DATABASE_URI not set. Defaulting to '

/usr/local/lib/python3.4/dist-packages/flask_sqlalchemy/__init__.py:839: FSADeprecationWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True or False to suppress this warning.

'SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and '

here is my code & setup

# database.py

from flask import Flask

from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)

sqldb =