20th April, 2021
If you are looking for Salesforce interview Questions and answers for freshers and experienced, then you are at the right place? Our experts listed out the Top 60 frequent Salesforce Interview Questions.
There is a massive demand for Salesforce Developers with an average salary package of $68K, which is around 3.2 times more than the country's median wage. So you have wonderful opportunities to gear up your career in this competitive tech world. Tekslate Advanced Salesforce Interview Questions helps you to crack and acquire your dream job as a Salesforce Developer.
Most frequently asked Salesforce Interview Questions
Ans: A profile is a collection of permissions and settings with the given access to the user to work on an application. It is mandatory to define a profile for a user. The profile controls permissions for object, field, user and settings for apps, tabs, access for apex class, visual force page, login hours, page layouts.
A role helps to provide record-level security by controlling the data visibility levels. The users can view, edit and report the data that they have access to and with the hierarchy. Every user need not have a role mandatorily.
Ans: The Salesforce object query language also known as SOQL retrieves records using the SELECT command from the database.
Ans: Force.com is a platform as a service. The developers create apps and websites using the IDE and later deploy them in the multi-tenant servers of force.com. It has simplified the development and deployment of cloud-based applications.
Salesforce.com is a service-as-a-platform, which has three core products. They are sales cloud, service cloud and marketing cloud. Sales cloud can be purchased to get leads, opportunities and reports.
Salesforce.com is built on force.com and can be interchangeable from a technical point of view.
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Ans: Visualforce in salesforce are web pages created using markup language similar to HTML but not exactly HTML. The primary objective of visual force is to display, update and access the organizational data.
Ans: OAuth is a protocol that describes the authenticated access of the servers and services into the assets. It is an open standard authorization protocol or a framework. The open standard grants access to internet users without sharing passwords.
Ans: Salesforce provides access to organizational data and information using an application programming interface (API). The API is a programming interface that facilitates the communication between one application and another. Third-party integration and communication are also possible through API.
Ans: Salesforce Connect is a cloud integration application that allows users to access and manage data in external applications. The external data can be displayed with salesforce connect without creating a record.
Ans: A custom object helps to store organizational information or retain salesforce.com. When a custom object is created, salesfore.com builds a page layout for the user interface.
Ans: A formula field is a read-only field that is created in both standard and custom objects. The value of the formula field is evaluated from the expression defined by the developer.
Ans: A data type stores the information stored in a particular field. In salesforce, the following data types are present:
|Related Article: Annotations in Salesforce|
Ans: A trigger is an Apex script. Apex triggers perform custom actions before and after events. The triggers can help to perform operations under certain conditions like modification or restriction of certain operations. There are two types of triggers.
Before trigger: Before trigger validates record values before saving to database
After trigger: After trigger validates record values after saving to the database.
Ans: A trigger is a coding and programming approach. A trigger can be applied to any type of object.
Workflow does not require any coding. A workflow is a business logic engine that automates some actions based on criteria.
Ans: A trigger is a new command that returns the new versions of the sObject record. The records can be modified before the trigger option only. In simple terms, all the records which are yet to be saved in the database will be returned.
Ans: Workflows and process builders in salesforce are declarative automation tools. Both tools can extend the functionality of the Salesforce platform. Both tools can automate business processes.
A workflow can handle only four functionalities like email alerts, create tasks, outbound messages, fields updates. A process builder has more functionalities like record creation, launch a flow, approval submission, quick actions, post to charter.
Ans: Standard controllers can be implemented on standard and custom objects. A standard controller has the same logic and functionalities and can automatically generate for all the standard pages.
An Apex is used to write a custom controller. The customer controller overwrites the standard controller which appears on the Visualforce page.
Ans: Pagination is a display of many records spread across multiple pages. The list controls 20 records, hence pagination helps to change the page size with controller extension.
Ans: In object relationships, a bi-directional relationship is built between two objects. An object relationship connects standard and custom objects. The salesforce platform supports three types of object relationship; master-detail relationship, lookup relationship, many-to-many relationships, indirect lookup, external lookup, hierarchical lookup.
Ans: Salesforce has four types of report types. They are:
A tabular report gives the total in a tabular format. A matrix report groups in rows and columns. A summary report gives a detailed report based on the columns. Joined reports helps to visualize two or more reports in a single report.
|Also, Check out our blog to learn about Loops in Salesforce
Ans: SOQL stands for salesforce object query language, allows a single object query at a time. SOSL stands for salesforce object search language, lets the search of text, emails, phone fields, with various objects. SOQL is used in triggers and classes whereas SOSL is used only in classes.
Ans: A sharing rule enables greater user access based on certain criteria. In the sharing rule, user access is extended to users, roles, public groups, and other organizations for greater access.
Ans: An external id contains a unique record identifier to import records. It is a custom field that has an external id attribute. When the option is selected, the data import wizard detects existing records and matches with values in the import file.
Ans: A custom setting is similar to a custom object. A custom setting helps the developers to create a custom set of data for the organization, profile or specific user. There are two types of custom settings; list and hierarchy.
Ans: An outbound message helps to send information to the specified URL endpoint. The outbound message is a part of the workflow. The outbound message sends configurable API messages to the intended listener.
Ans: The isnull determines if an expression is blank or null. If it is blank then it returns TRUE. If it is not blank or not null, then the function returns FALSE.
The isblank determines if an expression has any value in it. If there is no value then, it returns TRUE. If an expression has any value then it returns FALSE.
Ans: A permission set is a collection of permissions and settings to access various tools and functions in Salesforce. A user can have multiple permission sets but only one user set.
Ans: Sandboxes in salesforce help to create multiple copies of the same environment without any compromise on the data. These copies can be used in the development, testing and training.
There are four types of sandboxes:
Developer Sandbox: A developer sandbox copies all the configurations and applications in the sandbox. The sandbox accommodates 200 MB of test or sample data.
Developer Pro Sandbox: A Pro sandbox copies products, apps, reports, dashboard, setup customizations. The organizational standard documents, attachments, and standard custom object records. The ProSandbox accommodates 1GB of sample data or test data.
Partial Data Sandbox: This is a developer sandbox and data defined in a sandbox template. This sandbox copies dashboard, reports, products, apps, price books, all metadata customizations. The partial data sandbox accommodates up to 5GB data and 10,000 records per selected object.
Full Sandbox: The full sandbox copies standard and custom object records, documents and attachments. They can create an exact copy of all the data in production.
Ans: A bucket field categorizes records without any formula or custom fields in salesforce reports. A bucket field lets grouping of records by ranges and segments.
Ans: The Whoid refers to persons and contacts. The Whatis refers to objects.
Ans: Maps in Apex are used to store data in the key-value pair. Each unique key maps to a single value.
Ans: Apex is an object-oriented programming language that helps developers to execute transaction and flow statements. They are executed on salesforce servers. Apex lets the developers write their own business logic and extends the Salesforce platform.
Ans: Apex email service is used to process the content, headers and attachments of the inbound mails. The Apex email service helps to create contact records based on the contact-related information in the e-mails.
Ans: The following templates are available in salesforce:
Text template: Any user can change or modify the template
HTML with letterhead: This email template can be created by administrators and users with edit HTML permissions based on letterheads
Custom HTML: This email template can be created by users and administrators with edit permissions without letterheads can create this template.
Visualforce email template: The administrators and developers working on visual force can create the visual force template. This template has the capability of merging data from various records.
Ans: There are three types of Apex collections:
List collections: The list collection has an ordered collection of elements distinguished by the indices.
The Map collections: A map collection consists of key-value pairs. Every unique key gets mapped to a unique value.
The set collection: The set collection consists of unordered primitive or SObject elements.
Ans: Binding in salesforce refers to the binding data set from page to controller. There are three types of binding.
Data binding: This refers to the data in the controller
Action binding: These refer to action set in the controller
Component binding: This refers to visual force components
Ans: A blob variable collects binary data. It is stored as a single object. Blobs can be used as web service arguments that are sent as attachments or stored in a document.
Ans: The following fields are automatically indexed in Salesforce.
Ans: Salesforce uses a set of APIs to access data from force.com. They are:
SOAP API: This API uses SOAP as a wrapper for API operations. The SOAP messages are required in enterprise messages.
REST API: This API is useful when a response needs to be sent from client to server and back to the client. The REST API uses HTTP methods to create dynamic interfaces and integrate with force.com
Bulk API: The BULK API is based on the REST API. This API helps to load and delete large sets of data asynchronously.
Streaming API: Streaming acts like radar and defines events and push notifications.
Ans: Salesforce deployment can be done by transfer of metadata from one Salesforce organization to another one. Salesforce code can be deployed in the following ways:
Ans: The test classes are the maximum number of codes per line at the time of execution. Test classes are effective tools to test the code if it is robust and error-free. Test classes ensure proper operation of Apex customization.
Ans: @future is known as a future annotation. A Future annotation is used in asynchronous identification and execution of the methods. When a method is annotated with @future, then execution happens only when Salesforce has available resources.
Ans: A development model helps the developers to embed Visualforce page editors in the browser. When developers enable the development mode, they can build the visual force pages in view state. Once the development mode is enabled, then the developer can see the preview of the visual force page and the associated code.
Ans: A lightning component framework is a UI framework helpful in developing single-page applications with dynamic performance and responsive UI. It helps to develop web applications on the desktop and mobiles using java on client-side and Apex on the server-side.
Ans: The governor sets limits on the quantum of data and the number of records that can be stored in shared databases. The governor limits are useful because Salesforce is based on the concept of multi-tenant architecture.
Ans: A sObject variable represents a row that represents a row of data and can be declared in Apex using SOAP API. The sObject is the only object that can be stored in the force.com database. Apex lets the usage of general sObject abstract type to represent any object.
Ans: A public class in salesforce means that the class or method or the variable is visible to all the codes in a namespace. A global class in salesforce implies that the class/method/variable is visible to all codes in any namespace.
Ans: Relationships can be established between objects in the salesforce. A master-detail relationship (MDR) is a parent-child relationship. In the MDR, the master object controls the behaviour of the dependent child object. The relationship is 1:n where there is only one parent object and there can be multiple children. In the MDR relationship, there is a cascade effect. This means that the master record cannot be empty. If the master record is empty or deleted, then the corresponding child records get deleted automatically.
[Check Out: Is Salesforce essential for Small Business]
Ans: Data screw refers to a non-uniform distribution in a data set. A data screw helps to link many child records (more than 10,000 records) to the parent record.
Ans: A batch apex is helpful in large jobs which exceed the processing time. Batch apex can process records in batches asynchronously. Batch apex is useful when large data has to be processed daily or in specific time limits.
Ans: The Apex triggers help to perform custom actions before or after changes to salesforce records. The following trigger syntax is used:
Ans: Apex triggers and Apex classes cannot be modified in the production environment. The modifications should be done in developer edition, or sandbox.org or testing org and then deployed in production environments.
Ans: An access modifier in a program helps to define methods and variables. Apex uses success modifiers in private, public, protected or global access modifiers.
Ans: A connected app uses OAuth and SAML protocols for authentication for the integration of any application into salesforce. The Salesforce admins use single sign-on and token to use salesforce API. The admins can use security policies and exercise controls to work with connected apps.
Ans: Junction objects help to build many-to-many relationships in salesforce objects. The junction object builds two MDR with two different record types to build many-to-many relationships.
Ans: CRM represents Customer Relationship Management. A CRM framework permits organizations to manage business connections and the information related to them.
CRM empowers you to focus on your association's relationship with distinctive individuals, you can store client and prospect contact data, leads, sales, and accounts opportunities in a single focal area, in a perfect cloud world so the data is accessible to everyone easily.
Ans: Following are few advantages of Salesforce CRM:
Ans: Objects in Salesforce are utilized as data set tables, that are utilized to store data of an association. We have two kinds of objects in salesforce, they are.
Standard Object: These are the objects given by the salesforce, which incorporate accounts, leads, campaigns, contracts, contacts, openings, cases, drives, dashboards, products, opportunities, and many more.
Custom Object: This incorporates the changes made to Salesforce by clients. It stores the fundamental and extraordinary data of an association. Custom Object incorporates page formats, relationships to different articles, custom fields, custom UI tab, and many more.
Ans: SaaS is membership-based, so customers can decide not to reestablish and end utilizing the program whenever without penalty other than not having the option to utilize Salesforce. SaaS is expected to assist clients with maintaining a strategic distance from beginning startup expenses and speculations. SaaS applications utilize a basic Internet interface upheld by simple combination.
Following are some of the key points to say that Saas is important to Salesforce:
Ans: Following are the various object relations in Salesforce:
Ans: We can describe certain fields as an external ID on an inquiry. These can be used as a piece of a solicitation to organize data from outside structures with a remarkable reference ID. For example, in case you need to facilitate data from an external accounting structure to the Accounts in Salesforce, you can use an external ID field to reference the Accounting system's unique ID as opposed to the Salesforce ID.
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