Postgresql
Python connect to PostgreSQL database
Open a new PostgreSQL database connection with credentials from a .env file. Incorrect credentials will raise an appropriate error.
pythonpostgresqlsqlpsycopg.envpython-dotenv
Required packages
You need below packages to use the code generated by recipe. All packages are automatically installed in MLJAR Studio.
psycopg[binary]>=3.2.1
python-dotenv>=1.0.1
Interactive recipe
You can use below interactive recipe to generate code. This recipe is available in MLJAR Studio.
Python code
# Python code will be hereCode explanation
- Load credentials from .env file.
- Try to establish connection with database.
- If checked, display the connection.
Example Python notebooks
Please find inspiration in example notebooks
- Fill PostgreSQL database with AI using Python
- Show columns from table in PostgreSQL
- Connect to PostgreSQL database in Python
- Run raw SQL query in python
- Show tables from PostgreSQL database
- Transfer data from database to a Google sheet
- Create new table using python and PostgreSQL
- Update selected rows of a column in table using python
- Select every column from table using python
- Update column in table using Python
- Drop table using Python and PostgreSQL
- Raw SQL query straight to pandas dataframe
- Backup table using python
- From database to chart plotting
- Insert row into a table using Python
Postgresql cookbook
Code recipes from Postgresql cookbook.
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- Define a new connection
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- Show all tables