Tag: Salesforce faq

Salesforce Answers, Salesforce Interview Question – part 6

Salesforce Answers, Salesforce Interview Question.

Salesforce Questions and Answers.

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61. How to merge duplicates without going for third Party tools?

Click on the Tab and go to Tools section, we can find the Merge option.

62. How many ways we can do deployment?

There are three ways to do deployment.

  1. By using change Sets.
  2. By using Force.com IDE tool(Eclipse).
  3. By using Force.com Migration toolkit.

63. What is the best practice you are using while coding?

  • Bulkify your code: Bulkifying Apex code refers to the concept of making sure the code properly handles more than one record at a time. When we try to load the link of the records using the Data Loaders, then we make sure that code will satisfy.
  • Avoid SOQL Queries inside For loops: When queries are placed inside a for loop, a query is executed on each interaction and the governor limit is easily reached. Instead move the SOQL query outside of the for loop and retrieve all the necessary data in a single query.
  • Avoid Multiple Triggers on the Same Object: Write the Single Trigger on the each object and write the logic in the classes and call that classes in the triggers.
  • use of the Limits Apex Methods to avoid Hitting Governor Limits.
  • Avoid hardcoding IDs.

64. What is the MVC design pattern in Salesforce.com?

Model View Controller (MVC) design pattern is the one of the most popular design pattern which contains three modules.

  1. Model.
  2. View.
  3. Controller.
  • Model: What Schema and Data does salesforce uses to represent the system completely. In Salesforce, we can say that sObject are the model.
    • Example: Sobjects, Apex Classes.
  • View: How the Schema and data is represented. Visualforce is used to present the data to users.
    • Example: Pages, Components.
  • Controller: How the interface actions. Controllers are used to perform the actions whenever users interact with Visualforce.
    • Example: Standard, Custom(Apex).

65. How many records we can display in the particular report?

Any number of records.

66. What are the data components in the Dashboards?

The following are the Data Components in the Dashboards.

  1. Horizontal Bar Chart.
  2. Vertical bar Chart.
  3. Line Chart.
  4. Pie Chart.
  5. Donut Chart.
  6. Funnel Chart.
  7. Gauge Chart.
  8. Metric.
  9. Table.

Note: The Components of the Dashboard that use the Grand Totals is Metric and Gauge.

67. How to call method in VF page?

We have a attribute called action in the <apex:commnadbutton> tag in the VF page.

<apex:commandButton action=”{!save}” value=”Save” id=”theButton”/>.

68. How much code coverage we can do for a Test Class?

  • 75%.

69. What is the Formula Filed?

A read-only field that derives its value from a formula expression which we define. The formula filed is updates when any of the source field change.

70. Mention the names of Standard Controllers?

  • Accounts.
  • Contacts.
  • Opportunities.
  • Leads…etc.

80. What are the actions in Workflow?

  • Tasks.
  • Email Alert.
  • Field Update.
  • Outbound Message.

81. Can we delete a record using the Workflow?

  • No.

82. What is the validation Rule?

  • Validation rule verify that the data a user enters in a record meets the standards we specify before the user can save the record.
  • Validation rule also included the error message to display to the user when the rule returns a value of the true due to an invalid value.

83. If we don’t have 75%code coverage, can we move it from one sandbox to another sandbox?

Yes, we can move a class from one Sandbox to another sandbox. But if we want to move a class from sandbox to environment we need to have a Test Class with a minimum of code coverage should be 75%.

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SFDC Interview Questions, SFDC FAQ – Part 7

SFDC Interview Questions and Answers.

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66. What are the Data Components in the Dashboards?

The following are the Data Components in the dashboards.

  • Horizontal Bar Chart.
  • Line Chart.
  • Pie Chart.
  • Donut Chart.
  • Funnel Chart.
  • Gauge Chart.
  • Metric.
  • Table.

Note : The Components of the dashboard that use the Grand Totals is Metric and Guage.

67. How to call method in the VF page?

  • We have a attribute called action in the <apex:commnadbutton> tag in the VF page.

<apex:commandButton action=”{!save}” value=”save” id=”theButton”/>.

68. How much code coverage we can do for a Test Classes?

  • 75%.

69. What is the Formula Field?

  • A read-only field that derives its value from a formula expression which we define. The formula field is updated when any of the source fields change.

70. Mention the names of Standard Controllers?

  • Accounts, Contacts, Opportunities, Leads…etc.(all Standard and custom objects).

71. What are the actions in the Workflow?

  • Task.
  • Email Alert.
  • Field Update.
  • Outbound Messages.

72. Can we delete a record using the Workflow?

  • No.

73. What is the validation rule?

  • Validation Rules verify that the data a user enters in a record meets the standards we specify before the user can save the record.
  • Validation rule also included the error message to display to the user when the rule returns a value of true due to an invalid value.

74. If we don’t have 75% code coverage, can we move it from one sandbox to another sandbox?

  • Yes, we can move a class from one sandbox to another sandbox. But if we want to move a class from sandbox to production environment we need to have a Test Class with a minimum of code coverage should be 75%.

75. Can we have duplicates in the External ID?

  • No

76. Which method in custom settings returns list of records?

  • getAll().

77. What are the context variables in Triggers?

  • Trigger.new, Trigger.old.
  • Trigger.NewMap, Trigger.OldMap.
  • isInsert, isUpdate, isDelete, isBefore, isAfter, isUndelete.

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Salesforce FAQ, SFDC Interview Questions – Part 5

Salesforce FAQ, SFDC Interview Questions – Part 5.

Salesforce interview Question asked in 2014 and 2015 in different companies.

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51. Can we create a user without assigning the profile?

No, because while creating the user, selection of profiles is mandatory thing.

52. How many ways we can make a filed required?

There are three ways to make a filed required. They are

  1. While creating a filed.
  2. Using Page Layout and using Validation Rules.
  3. FLS(doubt).

53. How many ways we can create visualforce page?

There are two ways to create a visualforce page. They are

  1. By using the URL.
  2. By using the path setup=> Develop=> Pages.

54. What are the assignment Rules?

Assignment Rules are used to automate organization’s lead generation and support processes.

  • Lead Assignment Rules specify how leads are assigned to users or queues as they are created manually, captured from the web, or imported via the lead import wizard.
  • Case Assignment Rules determine how cases are assigned to users or put into queues as they are created manually, using Web-to-Case.

55. What are the types of Relationships?

  1. Master- Detail.
  2. Lookup.
  3. Many to Many.
  4. Hierarchical.

56. Can we delete the user from Salesforce?

As per now, Salesforce does not allow to delete any user, how ever we can deactivate the user.

57. How to create the Many to Many relationships between object?

Create one custom object, which should have auto number as unique identification and create two Master- Detail relationships for this object. And this Object is called as Junction object.

58. What is Cross Object Formula?

Cross-Object Formula can reference merge fields from a master(“parent”) object if an object is on the detail side of a master-details relationship. We can reference fields from object that are up to ten relationships. We can able to insert related Object data into a formula.

59. How to hide a tab for an User?

By Profiles we can hide a tab from a user.

Use “Tab Hidden” setting for Tab Hide.

60. What is an External ID?

External ID are used when we interacting with a external systems. It will act as unique identifier. We can define 3 external ID fields per object. These are the data types of fields.

  • Number.
  • Text.
  • Email.

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Salesforce Interview Questions with answers – Part 4

Salesforce Interview Questions – Part 4

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45. What are the types of Sandboxes you’re using?

Full Sandbox and Configuration only Sandbox.

  • Full Sandbox : Full Sandbox is Production environment.
  • Configuration Sandbox: Test Sandbox.

46. What is the difference between the with Sharing and with out Sharing keywords?

Use the with sharing keywords when declaring a class to enforce the sharing rules that apply to the current user.

Use the without sharing keywords when declaring a class to ensure that the sharing rules for the current user are not enforced.

47. What is the difference between Tigger.new and Trigger.old?

Trigger.new : Returns a list of the new versions of the sObject records.

Note that this sObject list is only available in insert and update triggers, and the records can only be modified in before triggers.

Trigger.old : Returns a list of the old versions of the sObject records.

Note that this sObject list is only available in update and delete triggers.

48. What is the Custom Settings?

Custom Setting that provides a reusable set of static data that can be accessed across your organization. There are two types of custom settings.

  1. List Custom Settings.
  2. Hierarchy Custom Settings.

49. What is the difference between the Lookup and Master-detail relationship?

Lookup Relationships Master-Detail Relationships
We can create upto 25 lookup Relationships We can create upto 2 Master-Details Relationships
Lookup can be created if records already exists Master-Details Relationships cannot be created if records already exists.
If we deletes the Parent record, then the child will not be deleted. If we delete the Parent record, then the Childs will be deleted automatically.
Mandatory Optional

50. What is the difference between the Profiles and Roles?

Profiles: A collection of settings and permissions that define how a user accesses records. Profiles Control a user’s permissions to perform different functions in Salesforce.

  • A Profile can have many users, but a user can have only one profiles.

Roles : Controls the level of visibility that users have yo an organization’s data.

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Salesforce Interview Questions with Answers 2015 – Part 3

Salesforce Interview Questions – Part 3.

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34. What are the report Types?

Record types are used to display different picklist values and page layouts to different users based on their profiles.

35. How to make the Record type as default?

By using profiles.

Go to the particular profile and by using Record Type Settings we can make the Record types as default.

36. What is the Customer Portal and Partner Portal?

Customer portal: A Salesforce.com Customer Portal similar to a Self – Service Portal in that it provides an online support channel for your customers – allowing them to resolve their inquires without contacting a customer service representive.

37. Tell me one Governor Limit?

Total number of SOQL queries issued 200
Total number of records retrieved by SOQL queries 50000
Total number of records retrieved by SOQL queries 20
Total number of records retrieved by a single SOSL query. 200
Total number of DML statements issued 150

38. What are the annotations in the Apex?

An Apex annotation modifies the way a method or class is used, similar to annotations in Java.

  • @Deprecated.
  • @Future.
  • @Is Test.
  • @ReadOnly.
  • @RemoteAction.

39. What is @IsTest annotation?

Use the isTest annotation to define classes or individual methods that only contain code used for testing you application.

40. How many controller extensions we can use?

Any number of controller extensions.

41. What are the Collections?

  • Lists.
  • Maps.
  • Sets.

42. What are the difference between the Sets and Maps?

  • A Set is an unordered collection of primitives or sObjects that do not contain any duplicate elements.
  • A Map is a collection of key-value pairs where each unique key maps to a single value. Keys can be primitive data type, while values can be a primitives, sObject, collection type or an Apex object.

43. What are the data types we can give for the Key and Values in Maps?

  • Keys – Primitive Data Types.
  • Values – Primitive, sObject, Collection Type or an Apex Object.

44. Have you Implemented record type in your project?

Yes, we have created Record Types and we have done Page Layout Assignment also.

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Salesforce Interview Questions with Answers 2015, 2014

Salesforce Interview Questions – Part 2

Salesforce interview Question asked in 2014 and 2015 in different companies.

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31. What are the different types of controllers?

We have three types of controllers. They are

  1. Standard controller.
  2. Custom controller.
  3. Controller extension.

Controller definition: A Visual force controller us a set of instructions that specify what happens when a user interacts with the components specified in associated Visualforce markup, such as when a user clicks a button or a link.

  • Controllers also provide access to the data that should be displayed in a page, and can modify component behavior.

Standard Controller: A standard controller consists of the same functionality and logic that is used for a standard Salesforce page. For example, if we use the standard accounts controller, clicking a Save button in a Visualforce page result in the same behavior as clicking Save on a standard Account edit page.

Custom Controller: A custom controller is a class written in Apex that implements all of a page logic.

If we use custom controller, we can define new navigation elements or behaviors, but we must also reimplement any functionality that was already provided in a standard controller.

Controller Extensions: A controller extensions is a class written in Apex that adds to or overrides behavior in a standard or custom controller. Extensions allow us to leverage that functionality of another controller while adding our own custom logic.

32. What is Custom controller?

Custom Controller: A custom controller is a class written in Apex that implements all of a page logic.

  • If we use custom controller, we can define new navigation elements or behaviors, but we must also reimplement any functionality that was already provided in a standard controller.

33. What is the difference between the Workflow and Approval Process?

Workflow rules and Approval Processes can be used together.

Workflow Rules Approval Processes
Are Triggered upon Save Are triggered only when a user clicks “Submit for Approval” button.
Consists of one set of criteria and actions Consists of multiple steps
Have an entry criteru8a, step criteria and step actions.
Have Initial submission action, rejection and approval actions and action for each step
Can be modified or deleted. Some attributes can’t be modified processes must be deactivated before they can be deleted.

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