Salesforce 面试题与答案
问题 46. Explain the difference between a trigger and a scheduled job in Salesforce.
A trigger in Salesforce is executed in response to a database event, while a scheduled job is a piece of Apex code that is scheduled to run at a specific time or on a recurring basis using the 'Schedulable' interface.
问题 47. What is the purpose of the 'Queueable' interface in Apex?
The 'Queueable' interface in Apex is used to implement asynchronous processing. It allows developers to offload long-running tasks to a separate job queue, avoiding synchronous processing delays.
问题 48. Explain the concept of a lightning component bundle in Salesforce.
A lightning component bundle in Salesforce is a collection of files that define a Lightning component. It includes a component file, controller file, helper file, style file, and documentation file. Bundles encapsulate the functionality and appearance of a Lightning component.
问题 49. What is the purpose of the 'LimitException' in Salesforce?
The 'LimitException' in Salesforce is thrown when an Apex code exceeds governor limits. It allows developers to catch and handle exceptions related to governor limits during execution.
问题 50. Explain the difference between a static resource and a public folder in Salesforce.
A static resource in Salesforce is a collection of files that can be referenced in Visualforce pages, Lightning components, and Apex code. A public folder is used to store and share reports and dashboards with groups of users.
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