Salesforce Learning

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Use the Wire Service to Get Data

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Work with Records Using Base Components

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Lightning Data Services

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LDS manages data for you; changes to a record are reflected in all the technologies built on it.
Records loaded in LDS are cached and shared across components.
Accessing the same record see significant performance improvements, because a record is loaded once, no matter how many components are using it.
Components—lightning-record-edit-form, lightning-record-form, and lightning-record-view-form
They provide a UI to view, create, and edit a record—similar to the record detail page in Salesforce.
Use the lightning-record-*-form components to:
- Create a metadata-driven UI or form-based UI similar to the record detail page in Salesforce.
- Display record values based on the field metadata.
- Display or hide localized field labels.
- Display the help text on a custom field.
- Perform client-side validation and enforce validation rules

lightning-record-form

way to display a form to create, edit, or view a record.
The form switches between view and edit modes automatically when the user begins editing a field.
The component uses the object's default record layout with support for multiple columns.
It loads all fields in the object's compact or full layout, or only the fields that you specify.
To improve performance, specify fields instead of a layout whenever possible.

lightning-record-edit-form and lightning-record-view-form

To customize the form display or provide custom rendering of record data, use lightning-record-edit-form (to add or update a record) and lightning-record-view-form (to view a record).
lightning-record-edit-form enables you to prepopulate field values using the lightning-input-field component.
You have more control over the fields. To apply custom UI.

Wire adapters and functions in the lightning/ui*Api modules

@wire – decorator is used on the components
If LDS detects a change to a record or any data or metadata it supports, all components using a relevant @wire adapter receive the new value.
LDS Detection triggers if:
- A Lightning web component mutates the record.
- The LDS cache entry expires and then a Lightning web component's @wire triggers a read. The cache entry and the Lightning web component must be in the same browser and app (for example Lightning Experience) for the same user.
LDS tasks:
- Loads record data progressively.
- Caches results on the client.
- Invalidates cache entries when dependent Salesforce data and metadata changes.
- Optimizes server calls by bulkifying and deduping requests.

LDS maintains a client-side cache of record data that has been loaded via a wire adapter.
Lightning Data Service re-requests the record data from the server to satisfy requests that occur after the cache lifetime.
However, you might also get updated record data even before the cache lifetime has passed. The cache lifetime is subject to change as part of ongoing improvements to Lightning Data Service.
LDS maintains a separate timeout for object and layout metadata, which are cached in a durable store.
When you make layout changes to record pages on custom objects, the layout changes don't appear immediately.
The record page displays the updated layout after the timeout when you reload the page. To see your layout changes immediately, log out and log back in.
Durable caching is available in orgs with secure browser caching, which is enabled by default.

lightning/ui*Api Wire Adapters and Functions

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interview questions for a functional consultant

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Here are some interview questions for a functional consultant in a more general sense. Depending on the specific role and industry, questions may vary, but these can provide a good starting point:

1. **Question:** Can you describe your experience with business process analysis and improvement?

2. **Question:** How do you approach gathering and documenting business requirements from stakeholders?

3. **Question:** Explain a situation where you had to balance conflicting requirements from different departments. How did you handle it?

4. **Question:** What methodologies or frameworks have you used for implementing business solutions, and why?

5. **Question:** How do you ensure that a proposed solution aligns with the overall business strategy and goals?

6. **Question:** Can you give an example of a successful implementation where you significantly improved business processes?

7. **Question:** How do you handle resistance to change when introducing new systems or processes within an organization?

8. **Question:** In your experience, how do you prioritize and manage multiple competing projects or tasks?

9. **Question:** What role do key performance indicators (KPIs) play in your work, and how do you use them to measure success?

10. **Question:** How do you ensure effective communication between technical teams and non-technical stakeholders during a project?

11. **Question:** Describe a situation where you had to customize a solution to meet unique business requirements. What challenges did you face?

12. **Question:** How do you stay informed about industry trends and updates relevant to your role as a functional consultant?

13. **Question:** Can you discuss your experience with system integrations and how you ensure seamless data flow between different platforms?

14. **Question:** In your opinion, what are the key qualities of a successful functional consultant?

15. **Question:** How do you handle situations where the initial requirements evolve or change during a project?

16. **Question:** Can you share an example of a project where you had to troubleshoot and resolve unexpected issues or challenges?

17. **Question:** What role do user acceptance testing (UAT) and training play in your implementation process?

18. **Question:** How do you approach data migration and ensure data accuracy and integrity during system transitions?

19. **Question:** Describe your experience with stakeholder management. How do you ensure their expectations are met?

20. **Question:** What tools or software do you frequently use in your role as a functional consultant?

These questions cover a range of skills and experiences relevant to a functional consultant position. Tailor your responses based on your specific background and the requirements of the role you're interviewing for.