Salesforce 面试题与答案
问题 31. What is the purpose of the Salesforce Schema Builder?
The Salesforce Schema Builder is a visual tool that allows users to view and modify the schema of their data model. It provides a graphical representation of objects, fields, and relationships.
问题 32. Explain the concept of data skew in Salesforce and how to address it.
Data skew in Salesforce occurs when a small number of records are associated with a large number of child records. It can lead to performance issues. Addressing data skew involves using best practices, such as proper indexing and data archiving.
问题 33. What is the purpose of the Salesforce Chatter feature?
Salesforce Chatter is a collaboration tool that allows users to share information, files, and updates within the Salesforce platform. It facilitates communication and collaboration among users.
问题 34. Explain the difference between a trigger and a batch class in Salesforce.
A trigger is an Apex code that runs in response to a database event, while a batch class is used for processing large sets of records asynchronously. Triggers are designed for real-time events, while batch classes are used for bulk processing.
问题 35. What is the purpose of the 'Schema.SObjectType' class in Apex?
The 'Schema.SObjectType' class in Apex is used to dynamically access metadata for an object, such as fields, child relationships, and other object properties. It allows developers to create generic code that works with various objects.
用户评价最有帮助的内容：