add_table               Add a Table's Metadata to a Registry
create_join_plan        Create a Plan for Aggregating and Merging
                        Tables
create_metadata_registry
                        Create a Metadata Registry
customers               Sample Customer Data
execute_join_plan       Execute a Join Plan
generate_aggregation_code
                        Generate data.table Aggregation Code from
                        Metadata
map_join_paths          Discover Potential Join Paths from Metadata and
                        Data
plot_join_plan          Plot a Join Plan as a Flowchart
products                Sample Product Data
table_info              Define Metadata for a Data Table in a Tidy
                        data.table
transactions            Sample Transaction Data
views                   Sample Product View Data
