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Connect from python pandas to a postgresql database and pull data.
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| import psycopg2 as pg | |
| import pandas.io.sql as psql | |
| # get connected to the database | |
| connection = pg.connect("dbname=mydatabase user=postgres") | |
| dataframe = psql.frame_query("SELECT * FROM <tablename>", connection) |
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maybe this article can help
https://www.datacamp.com/community/tutorials/tutorial-postgresql-python