The author discusses RDBMS companies $-$ "Oracle, MySQL$,$ Microsoft SQL Server, Microsoft Access, IBM DB$2,$ and Teradata." in Chapter $1.$ Please compare $2$ or $3$ of the companies and below are some of the criteria:

History of the company or software

Cost of the license and TCO $($Total Cost of Ownership$)$

Special tools or software that separate the company from the competition

Ease of use ex$.$ Is the software complicated to install and use and if so please provide details why?

Security and administration

If you have used any of the software you may write a personal review

$*$Please write a minimum of a parage for each software and make sure to cite your source and if you download or actually use the software please discuss your experience as well?