I need to export some rows from a table in a PostgreSQL database to a .csv file using a Python script: But when I run the script I get this: Does anyone know what can be wrong or give me a tip about? Answer The copy is not an SQL command, it is a command specific for the Postgres terminal
Tag: export-to-csv
Writing large Pandas Dataframes to CSV file in chunks
How do I write out a large data files to a CSV file in chunks? I have a set of large data files (1M rows x 20 cols). However, only 5 or so columns of the data files are of interest to me. I want to make things easier by making copies of these files with only the columns of