Database Management and Data Warehousing Fundamentals

Quiz covering SQL queries, data warehousing concepts, universe and report management, and business intelligence fundamentals

20 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which SQL statement is used to return only different values?

  1. SELECT DIFFERENT
  2. SELECT DISTINCT
  3. SELECT UNIQUE
  4. SELECT SEPARATE
Question 2 Multiple Choice (Single Answer)

How many columns are presented after executing this query: SELECT address1||','||address2||','||address2 "Address" FROM employee;

  1. 1
  2. 2
  3. 3
  4. 4
Question 3 Multiple Choice (Single Answer)

Datamart is a ?

  1. Data about data
  2. Is a subset of a Dataware house
  3. Data collected from various sources
  4. All of the Above
Question 4 Multiple Choice (Single Answer)

Surrogate Key means

  1. It is a primary key for a Dimension table.
  2. It is a system generated sequence numbers
  3. It is a unique key
  4. It is a foreign key for a FACT table.
Question 5 Multiple Choice (Single Answer)

Select a feature that does not belong to Business Intelligence

  1. Publishing report through a web portal.
  2. Cleaning of Source data
  3. Data Mining
  4. Forecasting
  5. Statistical Analysis
Question 6 Multiple Choice (Multiple Answers)

Which of the following are configuration management tool ?

  1. Control-M
  2. Autosys
  3. Version manager
  4. none of the above
Question 7 True/False

Can we change the Native Sql

  1. True
  2. False
Question 8 True/False

RELATIONSHIPS INSERTED BETWEEN MEASURE DIMENSIONS AND REGULARDIMENSIONS WILL WORK.

  1. True
  2. False
Question 9 Multiple Choice (Single Answer)

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;

  1. it'll display the result of which id=99999
  2. no rows selected
  3. Error
  4. garbage value...
Question 10 Multiple Choice (Single Answer)

for a 'CUBE' maximum number of Dimensions(including Measure Dimesions)

  1. 128
  2. 136
  3. 64
  4. 32
Question 11 True/False

For Outer Join and Simple Join(inner Join) the Native SQL'll be Same

  1. True
  2. False
Question 12 True/False

Can u implement 'Multi Measure' analysis in Report Studio with Cross tab.

  1. True
  2. False
Question 13 True/False

Lists and Cross tabs Must and Should have a Measure and dimensions to implement/run the report.

  1. True
  2. False
Question 14 True/False

Can u create Master-Detailed Reports for Cross-tabs.

  1. True
  2. False
Question 15 True/False

'DELETE' command in SQL Will Remove the data as well as Structure

  1. True
  2. False
Question 16 True/False

can u change the Governer Settings in Report Level.

  1. True
  2. False
Question 17 True/False

'Report Validation' deals with the Data Present in Reoprt.

  1. True
  2. False
Question 18 Multiple Choice (Single Answer)

How can you load universe into the repository?

  1. Exporting the universe
  2. Extracting the Universe
  3. Copying the Universe
  4. Exporting and then Extracting Universe
Question 19 Multiple Choice (Single Answer)

How can we test the universe & Report?

  1. integrity check
  2. By coping report query and run in backend(oracle,sql server...)
  3. Both a & b
  4. Neither a nor b
Question 20 Multiple Choice (Multiple Answers)

What are the user requirements in a universe?

  1. Database connections
  2. key column
  3. metrics
  4. Dimension