APPLICATION LAYER
CLIENT SERVER PARADIGM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The CRUD operation ‘Retrieve’ would map to which SQL database function?
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SELECT
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INSERT
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UPDATE
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DELETE
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Explanation:
Detailed explanation-1: -What is CRUD? CRUD is an acronym that comes from the world of computer programming and refers to the four functions that are considered necessary to implement a persistent storage application: create, read, update and delete.
Detailed explanation-2: -In SQL, to retrieve data stored in our tables, we use the SELECT statement.
Detailed explanation-3: -It is an acronym for C-create, R-read/retrieve, U-update, D-delete-the four basic functions that are implemented in any relational DB applications. Each of it can map to a standard SQL statement, HTTP protocol method or Data Distribution Service (DDS).
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