data-model
3 free lessons tagged data-model across Business, Programming. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.
Salesforce Objects, Fields, and Relationships
Salesforce's data model is the CRM model made concrete: standard objects like Account, Contact, Lead, Opportunity, and Case, extended by custom objects and fields. This lesson covers those objects, how lookup and master-detail relationships link them, and how lead conversion turns a raw prospect into a real relationship.
What a CRM Is, and the Data Model Underneath
A CRM is not software you use, it is the single record of every customer relationship a company has. This lesson explains what a CRM really is, the core data model, companies, people, leads, deals, and activities, and how those objects link together to turn scattered interactions into one coherent picture.
CPython: the object and data model
How Python values really work under the hood: every value is a heap object with a type and a reference count, names are references not boxes, and behavior comes from the data model's dunder methods. Covers identity versus equality, attribute lookup order, descriptors, and __slots__.