Data Science and sql problem

[Prashant Singh]

How can i connect database with help of function in jupyter notebook and then conver data into csv to build model ?

[Gurmeet Kaur]

you could try using connection and cursor to connect nd then pandas to read csv using readcsv function

On Sun, Jul 26, 2020, 11:59 AM Prashant Singh <prashant...@gmail.com> wrote:

How can i connect database with help of function in jupyter notebook and then conver data into csv to build model ?

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[Yamen Gamal Eldin]

Try sql alchemy, if you need a full access with many functionality. Other than that, u can connect directly to the database through python. The exact implementation will depend on the database type

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[AJ Wattoo]

as far i understand you want to connect with postgreSQL database on jupyter notebook :

you can do like this
1. install -c anaconda psycopg2 and install -c anaconda sqlalchemy

2. from sqlalchemy import create_engine and import pandas as pd

3. engine=create_engine(‘postgres+psycopg2://postgres:0000@localhost:5432/anyname’)

In thes case postgres = name of my databse , 0000 is my password , localhost=host, port = 5432, anyname = database name

4. con = engine.connect()

5. df=pd.read_sql_query(SQL queries #whatever you want to get from database)

and then saving that data in csv 

6. df.to_csv('file_name.csv')

[Integr@te System]

Hi Friend,

If you want more option, new t-sql with predict statement directly on db.

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