In the following article we will go through a solution to a very common requirement of removing delete duplicate rows from SQL server table. Let us first create a table and add sample data to this ...
When designing objects in SQL Server, we must follow certain best practices. For example, a table should have primary keys, identity columns, clustered and unclustered indexes, data integrity and ...
Databases often suffer from the problem of having duplicate data. Duplicate data can cause inconsistencies in data analysis, provide inaccurate reports, and bloat databases. To prevent these problems, ...
#Row number is just going to assign a number to each row - simple, but pretty powerful too. #Okay so this is the query that we finished with in our last lesson. Let's ...
This project demonstrates the process of importing and cleansing data using SQL. The dataset used for this project is the Nashville Housing Dataset, and the goal is to clean and prepare the data for ...