1. Can I apply the data cleaning techniques in Excel to large datasets in SQL or other databases?

Q: 1. Can I apply the data cleaning techniques in Excel to large datasets in SQL or other databases?

The course teaches fundamental data cleaning principles that can be applied across platforms. Techniques like detecting missing values, duplicates, and formatting inconsistencies are relevant in both Excel and SQL. SQL modules introduce basic functions like JOINs, filtering, and aggregation for cleaning database tables. Skills can be adapted to other database systems (PostgreSQL, MySQL) or big data tools . Understanding these principles helps transition between small datasets in spreadsheets and larger datasets in databases .

The course teaches fundamental data cleaning principles that can be applied across platforms.
Techniques like detecting missing values, duplicates, and formatting inconsistencies are relevant in both Excel and SQL.
SQL modules introduce basic functions like JOINs, filtering, and aggregation for cleaning database tables.
Skills can be adapted to other database systems (PostgreSQL, MySQL) or big data tools.
Understanding these principles helps transition between small datasets in spreadsheets and larger datasets in databases.