Exam 4: Master the Data: Preparing Data for Analysis

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It is possible to input raw data within Tableau.

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A(n) __________ diagram is a graphical representation of an information system, illustrating relationships among people, objects, places, and events within that system to allow you to SELECT data from more than one table, as long as those two tables are related.

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ETL stands for __________:

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In SQL, the __________ clause acts like a filter.

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A __________ communicates the same pieces of information (which tables are in the database, which fields are in each table, and how each table is related through primary key/foreign key placement) as a data dictionary, but in visual form.

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The purpose of an __________ JOIN is to allow you to SELECT data from more than one table, as long as those two tables are related.

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A __________ corresponds to a column that contains descriptive information.

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