Apex syntax, triggers, and governor limits concepts tested on the Salesforce Platform Developer I exam.
39 cards · basic cards · AI-written, checked twice. Edit anything.
- What is Apex?
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Salesforce's proprietary, statically typed programming language for building business logic- Define a trigger in Apex.
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Code that executes automatically in response to DML operations (insert, update, delete) on Salesforce records- What does Trigger.new reference?
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List of records being inserted or updated in the current transaction- What does Trigger.old reference?
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List of records with their pre-update values before the update is applied- What is Trigger.operationType used for?
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To determine which DML operation (insert, update, delete, undelete) triggered the code- What is a governor limit?
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A maximum resource threshold enforced by Salesforce to prevent any single execution from monopolizing shared infrastructure- What is the governor limit for SOQL queries per transaction?
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100 queries- What is the governor limit for records returned in a SOQL query?
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50,000 records- What is the governor limit for DML statements per transaction?
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150 DML statements- What is the governor limit for records processed by DML statements?
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10,000 records total- What is SOQL?
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Salesforce Object Query Language, a syntax for querying Salesforce records- What is a SOQL for loop and when should it be used?
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A loop that retrieves records in batches to process large datasets without hitting the 50,000 record limit- What DML statements are available in Apex?
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insert, update, upsert, delete, undelete- What exception is thrown when a DML operation fails?
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DmlException- What is the difference between insert and database.insert()?
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insert throws an exception on failure; database.insert() returns a SaveResult with success/failure details
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