October 2019
Intermediate to advanced
520 pages
13h 5m
English
Content preview from Professional Cloud Architect – Google Cloud Certification Guide
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Schema
It's worth noting that designing a Bigtable schema is very different from designing a schema for a relational database. There are no secondary indices as each table only has one index. Rows are sorted lexicographically by row key (the only index), from the lowest to the highest byte string. If you have two rows in a table, it's possible that one row will be updated successfully while the other row will fail. Therefore, we should avoid designing schemas that require atomicity across rows. Poor schema designs can be responsible for overall poor Bigtable performance.
Exam tip: Schemas can also be designed for time series data. If we want to measure something along with the time it occurred, then we are building a time series. Data in ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.