For the last eight years, Jaana Dogan has been building developer products at Google. Currently, she is a staff engineer and technical advisor working on Spanner, a relational database that’s globally scalable. Previously, Jaana worked as a software architect at Tart, a software engineer at Tikle, and a software engineer at Microsoft. She also founded Rootapi, a company that built rich editing tools for internet publishing companies. Join Corey and Jaana as they talk about Spanner and all things database, why Jaana believes that five nines is extreme for most businesses, the CAP theorem and what it actually means, the difference between Google’s internal Spanner product and the Cloud Spanner product you can buy with someone else’s credit card, how Google designs all of its major releases with scalability in mind, the role Jaana played in the Go community, what Jaana loves about working at Google, Jaana’s career advice, and more.