5.what is difference between isnull and is blank? 6.what is the primitive data types? 7.what is the difference between workflow and trigger?

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Difference between isnull and is blank, primitive data types, and difference between workflow and trigger.

isnull is used to check if a value is null or not, while is blank is used to check if a value is empty or consists only of whitespace characters.
Primitive data types are basic data types provided by a programming language, such as integers, floats, booleans, and characters.
A workflow is a series of steps or actions that are executed in a specific order to automate a business process, while a trigger is a piece of code that is executed in response to a specific event or action.
Examples of primitive data types include int, float, bool, and char.
In SQL, isnull function can be used to replace null values with a specified value, while is blank can be used to check if a string is empty or consists only of whitespace characters.
In Salesforce, workflows can be used to automate standard internal procedures and processes, while triggers can be used to perform custom actions before or after specific database-related events.

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