Hotfixes are small software patches that are applied to live systems. A hotfix is a single, cumulative package that includes one or more files used to address a problem in a software product.
For example : a software bug
* A patch is a program installed in the machine to rectify the problem occurred in the system and ensured the security of that system. The hotfix is a Kind of Patches provided by the Microsoft.
* In Microsoft SQL Server, hotfixes are small patches designed to address specific issues, most commonly to freshly-discovered security holes. Hotfix response proactively against any bug
