Course of Introduction to Datomic: A chronological database

Detailed content

1. Schema and transaction

   • Checking the connectivity with the Project
   • Connectivity between REPL and the source code
   • The Product Catalog
   • Modelling the Catalog in Clojure
   • Our first Schema definition
   • Our first Data Load
   • Our first Query
   • Schemas
   • Further Reading: Initializing the Schema

2. Retract, Updates and Code Structure

   • How to structure Datoms
   • Preparing to perform an Update
   • How to handle Asynchronous Code
   • Our first Updates
   • A little bit of housekeeping
   • Organizing the first Query
   • Using db:add
   • Further Reading: Atomic Transactions with Datomic

3. More Queries

   • Another way to think about Queries
   • Our first Query Argument
   • A simple Result Set
   • Some Issues with our current Approach
   • Fetching multiple Attributes
   • Variable Binding

4. The Pull Operator

   • Using Pull
   • Do as showcased in the video lesson

5. Snapshots and the 'As Of' filter

   • Why do we need Snapshots
   • The 'As Of' filter
   • Snapshots

6. Optimizations and Cardinality

   • Preparing for Lesson 6
   • Our first Query Plan
   • Searching by Tags
   • Reviewing Add and Retract
   • Query for List members
   • Cardinality