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ADW Bootcamp Week4 PreQuiz

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ADW Bootcamp Week 4 PreQuiz

Welcome to the ADW Bootcamp Week 4 PreQuiz! This quiz is designed to test your knowledge of key concepts in data warehousing and best practices. It covers various topics including anti-patterns, materialized views, dynamic data masking, row-level security, and more.

Engage with the following areas:

Data Query Performance
Security Measures in Data Storage
Best Practices for Database Management

10 Questions2 MinutesCreated by OptimizingData42

Name: Please use the same value for all quizzes

View Concepts - Anti-patterns (Things you shouldn't do) (1)

Combine all similar executions of business logic into one view

Create views with a lot of columns (Omnibus View)

Create view with a lot of tables and user only needs data from one table

Fail to create views with a small number of necessary columns

Fail to create re-usable business logic in views

All of the above

Materialized Views Are? (4)

Materialized to disk

Updated in real-time with updates to tables in query

Always CCI, not replicated

Cannot be on other views

Cannot have aggregation

Dynamic Data Masking Benefits? Select which one is NOT true.

Regulatory Compliance

Data Protection

Transparent to application

Inherited from table to table

Row Level Security Benefits? Select which one is NOT true.

Fine grained access control

Application transparency

Centralized security logic

Applied to views

Common on Fact tables

Applied to tables

What are some things that get your query on the Killed Query email? (5)

Cartesian Products

Mismatch of Join Key datatypes/lengths

Too many rows in the result set

Incorrect Distribution/Indexing chosen for tables used in queries

System Resources

Query should be pulled into PBi or Tableau instead of Direct query

Too many Replication Tables

Does query table order matter?

Yes

Which is more performant Inner Join or Left/Right Outer Join

Inner Join

Left/Right Outer Join

What is the purpose of default values in Dimension Tables? (3)

Join to missing or late arriving values (-1)

Allow Inner Join to work instead of Outer Join by joining to Null row value (-2)

Make Reports look prettier

Eliminate NULL values to reduce Skew

This is the very last question, All answers are valid. (3)

I'm glad this is the last question

I wish there were 10 more questions

What no more quiz modules?

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