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
No
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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