This is a SQL portfolio project for data cleaning using sql server for a dataset - NashvilleHousing.
Data cleaning procedure includes these below mentioned functions -
- CONVERT()
- ISNULL()
- CASE WHEN
- SUBSTRING()
- CHARINDEX()
- PARSENAME()
- REPLACE()
- CTEs - Row_Number()
- Standardize date format for SaleDate column
- Populate Property address data for NULL Values
- Breaking out Property and Owner address into individual columns (Address, sity ,state)
- Change Y and N to Yes and No in "Sold as Vacant" field
- Remove Duplicates
- Delete Unused Columns
- SQL Server Management Studio.
- SQL Server import Export tool.