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What is CRUD?

Posted by Adrian M.

Article Rating // 8871 Views // 1 Additional Answers & Comments

Categories: Systems Analysis, Data Analysis & Modeling


CRUD is an acronym which stands for Create, Read, Update, and Delete and it refers to the four basic operations which are supported by data-based compute systems. These are the four basic functions that can be performed when working with data in a persistent storage. 

It also refers to operations that a user can perform using a given feature.  With the exception of workflow, most business applications deal exclusively with user interfaces which allow the user to either create (enter), read (view), update (edit), or delete data.

  • Create - This operation refers to the process of adding new data to a database. This can be accomplished by creating a new record or row in a table within the database.

  • Read - This operation refers to the process of retrieving data from a database. This can be accomplished by querying the database and retrieving specific records or rows that match certain criteria.

  • Update - This operation refers to the process of modifying existing data in a database. This can be accomplished by updating the values of one or more fields within a record or row in a table.

  • Delete - This operation refers to the process of removing data from a database. This can be accomplished by deleting a record or row from a table within the database.

CRUD is an important concept in software design because it provides a framework for creating, managing, and interacting with data. Business analysts can use CRUD to help define and document the capabilities and needs for a business application:

  • Requirements Gathering - The business analyst can work with stakeholders to identify the data that needs to be managed in the system and define the requirements for creating, reading, updating, and deleting that data.

  • Use Case Modeling - The BA can create use case diagrams that illustrate how users will interact with the system to perform CRUD operations on data. This can help to identify any potential usability issues and ensure that the system meets the needs of its users.

  • User Interface Design - The business analyst can work with user experience designers to create a user interface that provides an intuitive way for users to interact with the system and perform CRUD operations on system's data.

  • Testing - The analyst can work with the testing team to define comprehensive test scenarios which ensure that the system properly supports the CRUD operations for managing data. 



Ben posted on Friday, October 2, 2009 5:41 AM
These basic functions should always be addressed when designing or developing new back office administration systems.
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Do your homework prior to the business analysis interview!

Having an idea of the type of questions you might be asked during a business analyst interview will not only give you confidence but it will also help you to formulate your thoughts and to be better prepared to answer the interview questions you might get during the interview for a business analyst position.  Of course, just memorizing a list of business analyst interview questions will not make you a great business analyst but it might just help you get that next job.



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