Bootcamps serve an important role in the tech industry by filling shortages in the job market. Common to all bootcamps is an immersive, full time, 3-6 month training program that intends to take you from zero to entry-level ready. They cost about as much as an online master’s degree ($10k-20k), but cut out most of the theory to turn you into a functional employee in much less time.
While bootcamps in coding and other tech careers are perfect for career changers with zero experience, data science bootcamps are generally better suited for recent PhD graduates or other similarly technically proficient individuals.