William Lyon
Putting the Graph In GraphQL With The Neo4j GraphQL Library
#1about 3 minutes
Understanding graph databases and the Cypher query language
Graph databases like Neo4j model data as nodes and relationships, which can be queried using the declarative Cypher language.
#2about 6 minutes
Querying connected data with Cypher in Neo4j Browser
A practical demonstration shows how to write Cypher queries to find nodes, traverse relationships, and implement business logic like recommendations.
#3about 7 minutes
Exploring GraphQL as an API query language
GraphQL provides a typed API layer that allows clients to request exactly the data they need through introspection and a flexible selection set.
#4about 8 minutes
Comparing the roles of Cypher and GraphQL
Cypher is a powerful database query language with graph-specific functions, while GraphQL is an API layer for defining data shapes and traversals.
#5about 6 minutes
The challenges of building GraphQL APIs with resolvers
Building GraphQL APIs involves writing resolver functions for data fetching, which can lead to the N+1 query problem and inefficient database access.
#6about 3 minutes
Solving API challenges with the Neo4j GraphQL Library
The Neo4j GraphQL library automatically generates a full CRUD API from type definitions, translating GraphQL requests into a single Cypher query to avoid the N+1 problem.
#7about 4 minutes
Live demo of generating an API with the library
A code demonstration shows how to use schema directives to define custom logic and watch the library translate a nested GraphQL query into a single, efficient Cypher query.
#8about 2 minutes
Resources for learning more about Neo4j and GraphQL
A summary of available resources for further learning, including the official library documentation, online courses, books, and livestreams.
#9about 7 minutes
Q&A on graph databases, custom resolvers, and security
The speaker answers audience questions about integrating graph databases with relational systems, adding custom resolvers, and securing APIs with JSON Web Tokens.
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Matching moments
05:10 MIN
Solving the N+1 query problem automatically
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03:56 MIN
Q&A on career advice and GraphQL best practices
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04:29 MIN
Live demo of generating an API from a database
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04:04 MIN
Introducing GraphQL and its core concepts
GraphQL: Does it replace SQL, REST or Something Else?
05:40 MIN
A quick introduction to GraphQL fundamentals
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02:14 MIN
Demo comparing GraphQL, SQL++, and REST queries
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02:44 MIN
How GraphQL improves upon REST's limitations
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03:20 MIN
Introducing Neo4j as a graph database company
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