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Relations and nullability · There's an old adage in relational databases that there are only three important numbers: 0, 1 and n. When modeling a system...
Mutations - i.e. writes · So far in this series all of our database accesses have been reads. Let's turn our attention to writing things to a database...
The Schema · The question "Why should I use GraphQL when I can just use SQL?" popped up in my twitter feed a few weeks ago. Like many posts designed to...
Writing your first queries · Why GraphQL Before we dive into writing a query, let's touch a bit on the why of GraphQL when we already have SQL. SQL is...
When we need to JOIN · In part 1 and part 2 we've gone through some basic data modeling in GraphQL and written our first simple queries. However we have...