Database Management and Data Warehousing Fundamentals
Quiz covering SQL queries, data warehousing concepts, universe and report management, and business intelligence fundamentals
Questions
Which SQL statement is used to return only different values?
- SELECT DIFFERENT
- SELECT DISTINCT
- SELECT UNIQUE
- SELECT SEPARATE
How many columns are presented after executing this query: SELECT address1||','||address2||','||address2 "Address" FROM employee;
- 1
- 2
- 3
- 4
Datamart is a ?
- Data about data
- Is a subset of a Dataware house
- Data collected from various sources
- All of the Above
Surrogate Key means
- It is a primary key for a Dimension table.
- It is a system generated sequence numbers
- It is a unique key
- It is a foreign key for a FACT table.
Select a feature that does not belong to Business Intelligence
- Publishing report through a web portal.
- Cleaning of Source data
- Data Mining
- Forecasting
- Statistical Analysis
Which of the following are configuration management tool ?
- Control-M
- Autosys
- Version manager
- none of the above
Can we change the Native Sql
- True
- False
RELATIONSHIPS INSERTED BETWEEN MEASURE DIMENSIONS AND REGULARDIMENSIONS WILL WORK.
- True
- False
Suppose i've a table emp and id is one of the column in it, what will be result for this query.select * from emp where id=99999 and 1=0;
- it'll display the result of which id=99999
- no rows selected
- Error
- garbage value...
for a 'CUBE' maximum number of Dimensions(including Measure Dimesions)
- 128
- 136
- 64
- 32
For Outer Join and Simple Join(inner Join) the Native SQL'll be Same
- True
- False
Can u implement 'Multi Measure' analysis in Report Studio with Cross tab.
- True
- False
Lists and Cross tabs Must and Should have a Measure and dimensions to implement/run the report.
- True
- False
Can u create Master-Detailed Reports for Cross-tabs.
- True
- False
'DELETE' command in SQL Will Remove the data as well as Structure
- True
- False
can u change the Governer Settings in Report Level.
- True
- False
'Report Validation' deals with the Data Present in Reoprt.
- True
- False
How can you load universe into the repository?
- Exporting the universe
- Extracting the Universe
- Copying the Universe
- Exporting and then Extracting Universe
How can we test the universe & Report?
- integrity check
- By coping report query and run in backend(oracle,sql server...)
- Both a & b
- Neither a nor b
What are the user requirements in a universe?
- Database connections
- key column
- metrics
- Dimension