Learn what the limits are, why they exist ,and how you have to change the way in which you program.
- Execution governors and limits.…We're going to just touch on a couple of them here.…In particular the SOQL limit which is 100.…Means you can do 100 queries to the database…in a given thread.…If you exceed that number it will fail.…You could do a 150 DML, that's an update or an insert.…And the maximum records you can work with…in a single thread is 50,000.…You'll get into philosophic discussions…people will want to argue about, well why is…this SOQL limit 100?…Why is the DML limit 150?…You know what, it doesn't matter.…
As a developer you need to learn that…those are what they are.…You've got to work within those constraints…and if you do that, you're going…to be much more successful in the…self-source environment.…You have an execution time limit.…Seems like a lot of time, but it can…go by very quickly especially if your…processing a lot of data.…And then finally there's additional limitations.…What I would recommend is you actually follow this link.…Familiarize yourself with all of the…different limitations that are out there…
AuthorDuard Lynn Davis
- How Apex works
- Bulkification and triggers
- Systematically debugging your code
- Sets, lists, and maps
- Trigger and trigger handlers
- Batch Apex
- Debugging and logging
Skill Level Intermediate
1. Introduction to Environment
2. Sets, Lists, and Maps
3. Trigger and Trigger Handlers
4. Batch Apex
5. Debugging and Logging
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