Redshift - Post Test
Redshift Knowledge Check
Test your knowledge of Amazon Redshift with our comprehensive quiz! This quiz contains 11 questions that cover essential concepts and best practices in Redshift.
Challenge yourself and see how well you understand:
- Data constraints
- Distribution styles
- Query performance
- Caching mechanisms
Please select the constraints that are enforced in redshift.
Unique
Not Null
Primary Key
Foreign Key
What type of column in Redshift is not recommended to be compressed ?
NULL-able column
Distkey columns
Sortkey column
Unique key column
What is the default distribution style in Redshift
AUTO
EVEN
ALL
KEY
What operation has to be performed to re-sort table data in redshift?
Indexing
Re-sort
Vaccum
Mergesort
How many copies of the redshift data are replicated by AWS for fault tolerance?
1
2
3
4
Which Caching in Redshift cannot be disabled.
Result Set Cache
Query Compilation Cache
Which schema in Redshift permits full access to all users by default
Public
Dev
Sys
Dbo
COPY inserts values into the target table's columns in the same order as the columns occur in the columnar data files.
True
False
What command is used in Redshift to get the query execution plan ?
Describe
Analyse
Explain
Detail
What can be defined in materialized views ?
Diststyle & Sortkey
Diststyle, Sortkey & Encoding
Diststyle, Sortkey & Compression
Diststyle, Sortkey, Compression & Encoding
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