A data analyst writes a query that asks a database to return only distinct values in a specified range, rather than including repeating values using COUNT DISTINCT function.
Moreover, Data analysts use SQL to manipulate data, understand data, and access, read, and analyze data before storing it in a database. Metadata enables analysts to unlock meaning in Big Data. Ultimately, it increases the value of an organization's data resources by enabling data to be identified, discovered, and connected across the enterprise. Without metadata, much Big Data is unusable or unmanageable.
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