All my datasource where csv and mdb files. So, I directly imported them to PostgreSQL. Very little code was written to clean the data. 99% of the cleaning was d

All my datasource where csv and mdb files. So, I directly imported them to PostgreSQL. Very little code was written to clean the data. 99% of the cleaning was done with SQL queries. The code is mostly used to display the data. Cleaning the data with SQL queries is much faster than writing code.