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  Apex Triggers in Salesforce A Trigger is a segment of Apex code which executes before or after inserting or modifying a Salesforce record based on the condition provided. There are different types of triggers based on the action going to be performed. What is Trigger in Salesforce ? Trigger in Salesforce is essentially an Apex script used by developers before or after events related to data manipulation language (DML). Here are some of the key types of operations executed by a trigger: 1. Inserting data into the system. 2. Updating data within the system. 3. Deleting data from the system. 4. Merging data across platforms. 5. Upserting data into the system. 6. Undeleting data from the system. What are different types of Triggers? Before triggers are used to perform a task before a record is inserted or updated or deleted. These are used to update or validate record values before they are saved to the database. After triggers are used if we want to use the information set by the...

Visualforce Pages in Salesforce   Introduction to Creating Visualforce Pages: Visualforce pages are basic building blocks for application developers. A Visualforce page is similar to a standard Web page, but includes powerful features to access, display, and update your organization’s data. Pages can be referenced and invoked via a unique URL, just as they would be on a traditional web server. Visualforce uses a tag-based markup language that’s similar to HTML. Each Visualforce tag corresponds to a coarse or fine-grained user interface component, such as a section of a page, a list view, or an individual field. Visualforce boasts nearly 150 built-in components, and provides a way for developers to create their own components. Visualforce markup can be freely mixed with HTML markup, CSS styles, and JavaScript libraries, giving you considerable flexibility in how you implement your app’s user interface. What is a Controller in Salesforce? Controller in Salesforce is an Apex clas...

Asynchronous Apex in Salesforce  Asynchronous Apex is used to run processes in a separate thread, at a later time. An asynchronous process is a process or function that executes a task "in the background" without the user having to wait for the task to finish. Here’s a real-world example. Let’s say you have a list of things to accomplish before your weekly Dance Revolution practice. Your car is making a funny noise, you need a different color hair gel and you have to pick up your uniform from your mom’s house. You could take your car to the mechanic and wait until it is fixed before completing the rest of your list (synchronous processing), or you could leave it there and get your other things done, and have the shop call you when it’s fixed (asynchronous processing). If you want to be home in time to iron your spandex before practice, asynchronous processing allows you to get more stuff done in the same amount of time without the needless waiting. Increased Governor and Exec...

Salesforce Admin Interview Questions and Answers Q. What is the Cloud computing? - "Cloud Computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction." Cloud computing is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. Large clouds often have functions distributed over multiple locations, each location being a data center.   More info about Cloud Computing    Q. What are the characteristics of Cloud Computing? - On-demand, Scalable, Multi-tenant, Reliability and Utility based subscription. Q. What are the different types of clouds? 1. Public Cloud 2. Private Cloud 3. Hybrid Cloud Q. What is Public cloud? - A service provider makes resources, such as applications and storage, available to ...