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Large Data Volumes articles

10 articles · Skew, indexing and query selectivity once an object stops being small.

Screenshot of Apex Cursors documentation and LWC template syntax in Salesforce Spring '26 releaseApex

Salesforce Spring '26 - Apex Cursors and LWC Expressions

I've been testing the Salesforce Spring '26 preview, and the new Apex Cursors change what is realistic for large data...

· 5 min read Diagram illustrating performance optimization techniques for managing Salesforce large data volumes effectivelyAdmin

Managing Salesforce Large Data Volumes - Performance Guide

If your Salesforce org feels like it's wading through molasses, large data volumes are usually why. Here is what breaks...

· 6 min read Diagram illustrating how Apex Cursors efficiently stream large data volumes to Lightning Web Components.Apex

How to Use Apex Cursors to Stream Large Datasets in LWC

If you are tired of hitting heap limits when loading records into LWC, look at Apex Cursors. They handle large data...

· 5 min read Diagram illustrating the concept of Salesforce data skew and uneven data distribution hotspotsAdmin

Salesforce Data Skew - A Guide to Ownership and Lookup Skew

Ever wonder why your bulk updates keep failing with row-lock errors? Salesforce data skew is a likely culprit. Here is...

· 5 min read Diagram illustrating how the Salesforce @ReadOnly annotation increases Apex query row limits for large data volumesApex

Optimize Salesforce query performance with @ReadOnly

Tired of hitting that 50,001-row limit in Apex? Here is how the @ReadOnly annotation bumps your query capacity up to a...

· 5 min read A visual comparison chart highlighting the key differences between SOQL vs SOSL query usage in Salesforce Apex.Apex

SOQL vs SOSL - Which Salesforce Query Should You Use?

Picking between SOQL vs SOSL trips up a lot of people early on. Here is how I decide which one to reach for, so your...

· 4 min read Diagram illustrating Salesforce flat file integration for secure batch data exchange between systemsIntegration

Salesforce flat file integration for batch data exchange

Sometimes a simple CSV beats a complex API. Here is why Salesforce flat file integration is often the most reliable way...

· 4 min read Diagram illustrating how Salesforce Big Objects store and manage large volumes of data efficientlyAdmin

What are Salesforce Big Objects? A Practical Guide

If you are trying to store millions of logs in a custom object, you are headed for trouble. Here is how Salesforce Big...

· 4 min read Diagram illustrating Salesforce External Objects connecting to external databases for real-time data accessIntegration

Salesforce External Objects: A Guide to Data Integration

Stop building custom sync engines for ERP data. Salesforce External Objects let you view millions of rows in real time...

· 4 min read A detailed diagram illustrating the architecture of Salesforce Connect with external data sourcesInterview Prep

Salesforce Connect interview questions and technical guide

Salesforce Connect is one of those features that sounds easy until an interviewer asks about limits and licensing. This...

· 5 min read