OLAP Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about OLAP? On this page you'll find 276 study documents about OLAP.
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Hands-On Experiment 2-2: Data Warehousing with Hive
- Exam (elaborations) • 78 pages • 2024
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Objectives 
In this Hands-on exercise, you will learn 
1. Practice PySpark SQL for data analytics. 
2. Use enhanced aggregation to emulate SQL concepts like GROUPING SETS, ROLLUP, and CUBE 
in PySpark. 
3. Analyzing Driver Risk factor 
4. Analyzing data using Data Warehousing/OLAP functions in Hive 
 
Q1. (35pts) Modify/rewrite the grouping-set-query in the example with ROLLUP (Let’s call it 
rollup-query). Run it, check the results, and explain the differences. 
– Replace the GROUPING SETS ...
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AWS Databases exam 2024 with 100% correct answers
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You need to install MSSQL Enterprise server on RDS, what should you do ? - correct answer 2 possibilities 
Provision SQL server enterprise edition using the RDS console OR bring your own license (BYOL) 
 
You have multi AZ enabled, one RDS instance goes down, what should you do to ensure failover happens quickly ? - correct answer Nothing, your connection string points to the db endpoint and amazon will auto update this ego to your secondary instance 
 
Which types of RDS are currently avail...
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AIN3701 LEARNING UNIT 5 DATA ANALYTICS
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AIN3701 
LEARNING UNIT 5 
DATA ANALYTICS 
5.1 INTRODUCTION, OUTCOME AND ASSESSMENT CRITERIA 
5.2 THE WORLD OF DATA 
5.3 DATA ANALYTICS FOR ACCOUNTING AND RELATED SERVICES 
5.4 THE DATA ANALYTICS PROCESS 
5.5 STEP 1: IDENTIFY THE QUESTIONS (I) 
5.6 STEP 2: MASTER THE DATA (M) 
5.7 STEP 3: PERFORM TEST PLAN (P) 
5.8 STEP 4: ADDRESS AND REFINE RESULTS (A) 
5.9 STEP 5: COMMUNICATE INSIGHTS (C) 
5.10 STEP 6: TRACK OUTCOMES (T) 
5.11 CLOSING REMARKS 
5.12 REFERENCES 
3 | P a g e 
5.1 INTRODUCTION, OUT...
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Big Data Test 1 Questions and Answers(A+ Solution guide)
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Name one of the drivers of Volume in the Big Data Era? - Answer-Scalable infrastructure 
Value from Big Data can be _______? - Answer-Profits 
In the video, 2.5 Quintillion Bytes of data are equivalent to DVDs? - Answer-10 million 
How many petabytes make up an exabyte? - Answer-1024 
What is an example of a source of semi-structured big data? - Answer-JSON files 
When is it estimated that the date we create and copy will reach around 35 zettabytes? - Answer-2020 
What is the process of cleaning...
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CCBMA BASIC EXAM SAMPLE TEST 1. Cysto- is a prefix meaning a. liver b. bladder c. gland d. lung: b. bladder 2. The term for narrowing is a. prolapse b. sclerosis c. stenosis d. stasis: c. stenosis 3. Gastrectomy is the term for excision of the
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CCBMA BASIC EXAM SAMPLE TEST 
1. Cysto- is a prefix meaning 
a. liver 
b. bladder 
c. gland 
d. lung: b. bladder 
2. The term for narrowing is 
a. prolapse 
b. sclerosis 
c. stenosis 
d. stasis: c. stenosis 
3. Gastrectomy is the term for excision of the
And that's how you make extra money
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ISDS 705 - Exam 2 Questions and Answers
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ISDS 705 - Exam 2 Questions and Answers 
OLAP (online analytical processing) - Correct Answer ️️ -Converting data into 
information for decision support 
Data cubes, drill-down / rollup, slice & dice 
Requesting ad hoc reports 
Conducting statistical and other analyses 
Developing multimedia-based applications 
data cube - Correct Answer ️️ -A special database used to store data in OLAP 
reporting. 
marginal cost - Correct Answer ️️ -the cost of producing one more unit of a good 
Ope...
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Data Management Foundations Latest Update Graded A+
- Exam (elaborations) • 38 pages • 2024
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Data Management Foundations Latest 
 
Update Graded A+ 
 
file structure the format that data is arranged and stored in a file. 
 
flat files Files having no internal hierarchy 
 
heap files Files containing an unsorted set of records that are uniquely identified by a record 
id which allows them to be inserted or deleted using that id. 
 
index files Files containing an unsorted set of records that are uniquely identified by a record 
id which allows them to be inserted or deleted using that id...
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SAP Certification (CORRECTLY ANSWERED)
- Exam (elaborations) • 14 pages • 2023
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SAP S/4 Has Infinite Scale correct answers True! 
 
SAP S/4 HANA New Generation of the Suite Compromises (3): correct answers Code Base 
Guided Configurations 
SAP Fiori UX 
 
SAP S/4 HANA is Natively Integrated with these Following Solutions: correct answers SAP Ariba 
SAP Hybris 
SAP Cloud Analytics 
(SAP Fieldglass) 
(SAP Concur) 
(SAP SuccessFactors) 
pg. 32 (s) 
 
Possible Deployment Options for SAP S/4 HANA (3): correct answers Public Cloud 
Private Cloud 
On Premise 
pg.33 (s) 
 
Capaci...
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CNIT 272 Final Exam Questions and Answers Rated A
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CNIT 272 Final Exam Questions and Answers Rated A 
A Primary Key having the fewest number of attributes to make it unique is called. Minimization 
If the child entity requires the primary key of the parent entity for its unique identity, then you create ______. Identifying Relationship 
If each child record has a unique identifier of its own, then the relationship is know as a _______. Non-Identifying Relationship 
Entities that have no foreign keys in their pk. Independent Entity 
Entities that...
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CIS 505 Week 1|Complete Questions with 100% Correct Answers
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CIS 505 Week 1|Complete Questions with 100% Correct Answers 
OLTP 
Online Transaction Processing 
OLAP 
online analytical processing 
transactional database 
A database designed to keep track of the day-to-day transactions of an organization. 
Analytical Data Store 
Stores historical transactional and summary data 
relational database 
Most common structure for database. 
*Distinguished by multiple tables with interrelated fields. 
*When queried, data can be pulled form any # of relations that ...
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