Without a defined primary key, a table has no semantic under­pinning; it is meaningless. Most things are unique in that they can be identified. Transactions are unique because even when every­thing ...

A guide to the 10 most common data modeling mistakes Your email has been sent Data modeling is the process through which we represent information system objects or entities and the connections between ...

Working with large datasets in Excel often presents challenges, particularly when clarity and organization are essential. Dynamically inserting blank rows between items is a highly effective method to ...