They considered using free and open-source database management systems like MySQL or PostgreSQL, which could fulfill their needs without incurring significant costs.

While searches for "cracked keys" often lead to unofficial repositories or pirated software sites, using cracked keys or unauthorized activation methods poses significant risks:

If you are looking for actual technical papers or documentation regarding SQL Server 2014, Microsoft provides extensive resources covering its architecture, security, and performance: Product Lifecycle : SQL Server 2014 reached its end of extended support

Microsoft offered SQL Server Express, a free version of SQL Server, which could handle many of their database needs. It had limitations but was a viable option for smaller projects.