The Machine Learning algorithm and deep learning are considered as the sub fields of Artificial Intelligence. So if you work and learn any of them, the other field's common skill set will always be covered.
See this Machine Learning Course for more information :
It’s always recommended to start with Machine learning as it covers numerous basic concepts and skills sets that are required in Deep Learning
Machine Learning is a subset of Data Science and even Machine Learning is applied in every possible area that's why people are also eager to have Machine Learning certification