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Database

Database in Salesforce refers to the underlying relational database that stores all of an organization's data.

§ 01

Definition

Database in Salesforce refers to the underlying relational database that stores all of an organization's data. In Salesforce's multi-tenant architecture, each org's data is stored in a shared database infrastructure but logically isolated from other tenants. Salesforce objects (both standard and custom) correspond to database tables, fields correspond to columns, and records correspond to rows. Data is accessed via SOQL, SOSL, APIs, and the Salesforce user interface.

§ 02

In plain English

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Database in Salesforce refers to the underlying storage system that holds all your records. It's a relational database that Salesforce manages for you in a multi-tenant architecture, so you don't have to worry about hardware or maintenance. Standard objects, custom objects, and their records all live in this database.

§ 03

Worked example

scenario · real-world use

A Salesforce architect at Harbor Analytics presents the platform's database architecture to a new data-engineering hire. Salesforce objects (Account, Case, custom Project__c) are tables; fields are columns; records are rows. Queries run through SOQL in Apex and SOSL for search, plus REST/Bulk APIs for external systems. The underlying Oracle database is multi-tenant - logically isolated per org, physically shared - and Salesforce enforces governor limits (SOQL queries per transaction, heap size, CPU time) to keep one tenant's queries from degrading another's. The hire's takeaway: SQL concepts transfer directly, but governor limits are specific to multi-tenant Salesforce and worth internalizing.

§ 04

Why Database matters

The Salesforce database is the underlying relational storage that holds all of an org's data. In Salesforce's multi-tenant architecture, multiple customer orgs share the same physical database infrastructure but are logically isolated from each other so no customer can see another customer's data. Salesforce objects (standard and custom) correspond to logical tables in this database, fields correspond to columns, and records correspond to rows. Data is accessed through SOQL, SOSL, REST and SOAP APIs, and the Salesforce user interface.

Salesforce abstracts away most database concerns from users and developers. There's no separate database administrator role for Salesforce orgs the way there is for traditional on-prem databases; Salesforce handles backups, scaling, optimization, and patching. What developers and architects do think about is how to model data efficiently (object design), how to query it efficiently (SOQL optimization, indexes, selective queries), and how to respect governor limits that exist precisely because of the multi-tenant architecture. Understanding how the database works conceptually helps you build performant apps even though you never touch the database directly.

§ 05

How organizations use Database

TerraForm Tech

Designed their data model with the multi-tenant database in mind, avoiding patterns that scale poorly like overly wide objects or unnecessary triggers.

Quantum Labs

Indexed key custom fields based on SOQL query analysis. The indexes reduced query times on their largest objects from seconds to milliseconds.

CodeBridge

Treats the Salesforce database as a managed service. Their team focuses on data modeling and query design rather than infrastructure operations.

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Test your knowledge

Q1. How does Salesforce's database architecture work?

Q2. How do Salesforce objects map to database concepts?

Q3. Why do Salesforce governor limits exist?

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