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Using Hidden Fields


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Which database design should be normalized
ODS OLTP Data Warehouse Star Schema

Advantages of a Star Schema (choose all that applies)
Capture of data Query data Simplifies queries Improve query performance

SQL is a procedural language
True False

An ETL process includes the following steps:
Extract Transfer Transformation Load

A physical database can have the following table relationships
one-to-one one-to-many many-to-many self

Joining multiple tables is a time consuming process
True False