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A data architect needs to revise an existing app.

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A data architect needs to revise an existing app.

The number of data rows has grown rapidly recently. While the app is in production, users are becoming increasingly unhappy about the response times when they make selections

Which two methods should be used to improve performance? (Select two.)

A.

Use dynamic script generation with variables

B.

Denormalize the schema

C.

Make sure any Ul variables are preceded by '='

D.

Use flags in the data model to simplify set analysis

E.

Create master items for all complex expressions

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A data architect executes the following script:What will be the result of Table A?
Refer to the exhibit.
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