Developer Fundamentals Flashcards

Which governor limit in Salesforce restricts the total number of SOQL queries that can be issued in a single transaction?

Answer: 100 queries per transaction

Salesforce enforces a limit of 100 SOQL queries per synchronous transaction to ensure fair platform usage.

What is a 'Custom Metadata Type' primarily used for in Salesforce?

Answer: Storing application configuration data that can be deployed in packages

Custom Metadata Types store application configuration and are deployable as metadata, unlike Custom Settings which store data.

In a Salesforce formula field, which function would you use to return today's date?

Answer: TODAY()

TODAY() returns the current date as a Date value in Salesforce formula fields.

Which Salesforce feature enables administrators to expose Salesforce data to external systems via a standard REST API without writing code?

Answer: Lightning Platform REST API

The Lightning Platform REST API provides standard endpoints to access Salesforce data and metadata for external integrations.

What is the maximum number of records that can be processed in a single Apex DML statement (e.g., insert, update)?

Answer: 10,000 records

Salesforce governor limits cap a single DML statement at 10,000 records per transaction.

Which tool in Salesforce is used to import large volumes of data and supports upsert operations using external IDs?

Answer: Data Loader

Data Loader is a client application that handles large data imports/exports and supports upsert with external ID fields.

What does 'bulkification' mean in the context of Apex development best practices?

Answer: Writing code that handles collections of records rather than single records

Bulkification means writing Apex triggers and classes to handle multiple records at once to avoid governor limit violations.