Postgresql

Python update column in PostgreSQL

Update entire columns in a PostgreSQL table using the UPDATE keyword.

pythonpostgresqlsqlpsycopg.env

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

Interactive recipe

You can use below interactive recipe to generate code. This recipe is available in MLJAR Studio.

In the below recipe, we assume that you have following variables available in your notebook:

  • conn (type Connection)

Python code

# Python code will be here

Code explanation

  1. Check if there is an open connection.
  2. If not then open the connection.
  3. Try to update the column.
  4. If selected show results.
  5. If error occurs raise exception.

Example Python notebooks

Please find inspiration in example notebooks

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Run insert query
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Update selected