Microsoft Azure Data Fundamentals DP-900 Practice Question
You administer an Azure SQL Database. Developers repeatedly submit a multitable join to produce a product sales summary. They want to refer to that result set by a single object name without duplicating data. Which database object best meets this requirement?
Create a nonclustered index on the joined columns.
Create an AFTER INSERT trigger to populate a summary table.
Create a view based on the join.
Create a table-valued function that returns the join results.
A view is defined by a saved SELECT statement and behaves like a virtual table. Because the data is retrieved from the underlying tables at query time, no duplicate data is stored. An index stores only key information to speed up lookups, a trigger executes automatically in response to data-modifying events, and a table-valued function returns results through an invocable function rather than appearing as a standalone virtual table. Therefore, using a view is the most appropriate way for developers to reuse the complex join through a single object name without copying data.
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Microsoft Azure Data Fundamentals DP-900
Identify considerations for relational data on Azure
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