Describe the Considerations When Developing in a Multi-Tenant Environment. PLATFORM-DEVELOPER-I Practice Questions (Page 5)

Questions 21–22

1. 21foundation · easy

   Why is it important to write efficient SOQL queries in a multi-tenant environment?

   • ATo reduce the amount of storage used by the org.
   • BTo minimize the impact on shared database resources and avoid hitting governor limits.
   • CTo ensure that the query returns all fields for each record.
   • DTo make the code easier to read for other developers.
   Reveal Solution Discussion Select an answer first
2. 22expert · medium

   A developer is troubleshooting a performance issue with a SOQL query that is used in a Lightning component. The query is running slowly and the developer suspects it is non-selective. The query filters on a custom field that has a low cardinality. Which action should the developer take to improve performance?

   • AAdd more filters to the WHERE clause to make the query more selective.
   • BUse a formula field to pre-calculate values for faster filtering.
   • CUse a custom setting to store the query results.
   • DCreate a custom index on the custom field.
   Reveal Solution Discussion Select an answer first