CDC Java Platform Technology for Connected Devices

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- Now in the previous exercise, if you saw that, we saw the outline of the data sources that we're going to use in our pipeline here. We set up a data generator to create the ratings events. Now let's see about getting the reference information about the customers who are leaving these ratings from our database. (upbeat music) So, we're going to use something called Change Data Capture, sometimes abbreviated CDC. If you're in the US that's not the Centers for Disease Control, which kind of throughout 2020, early 2021 seemed to be in the news a little bit more than usual. I can't remember why. But a Change Data Capture a CDC is going to enable us to capture everything that's already in the database along with changes that happen are made to the data after that initial capture. Let's talk about how it works. There are two kinds of CDC, query-based and log-based. And you need to understand strengths and weaknesses, limitations, differences so you can make an informed decision about which