Computer Studies

Entity, Attribute and Value model (CHEM-7, )

Entity, Attribute and Value model (CHEM-7, )

CHEM-7
   BUN:        15    mg/dl
   CO2:        23    mmol/l
   Creatinine:       1.1 mg/dl
   Glucose:     92    mg/dl
   Cl-:      108    mmol/l
   K+:          4.1 mEq

zero86   137   1 Reply

saranyaallu

Indexing is intended to provide fast access to specific data while minimizing the amount of data ...

Indexing is intended to provide fast access to specific data while minimizing the amount of data ...

[html]Question 1.Explain the two main ways to submit queries to ArangoDB.Question 2.Indexing is intended to provide fast access to specific data while minimizing the amount of data searched. W

suiren   54   1 Reply

5 / 5

bli14

Explain how you would download and install ArangoDB.

Explain how you would download and install ArangoDB.

Question 1.Explain what a document is in a document database.Question 2.Explain how you would download and install ArangoDB.

ujesssss   31   3 Replies

wasan

Explain what a document database is designed to provide.

Explain what a document database is designed to provide.

[html]Question 1.The main mechanism for data distribution in ArangoDB is called ________.

• shading

• shifting

• sharding

• sharingQuestion 2.Explain what a document database is designed t

liljay   19   1 Reply

Bakari

Which of the following is an incorrect statement.

Which of the following is an incorrect statement.

[html]Question 1.Arrays allow for an ordering of ________.

• columns

• elements

• rows

• both columns and elementsQuestion 2.Which of the following is an incorrect statement.

• ArangoDB d

Izzydhindsa   20   2 Replies

Izzydhindsa

Data can be entered into an ArangoDB collection of documents by all of the following ways except ________.

Data can be entered into an ArangoDB collection of documents by all of the following ways except ________.

[html]Question 1.ArangoDB is a ________ database management system.

• multi-model NoSQL

• single-model NoSQL

• multi-model relational

• single-model relationalQuestion 2.Data can be entere

malabranche13   18   1 Reply

shamanie

In the following sample document data (presented in MongoDB syntax), how many documents are there?{ ...

In the following sample document data (presented in MongoDB syntax), how many documents are there?{ ...

[html]Question 1.The real power of JSON lies in the definition of "value", which can be ________.

• multiple data points

• a simple, single data point

• an array of values

• both a simple, single data point & an array of v

be beautiful   11   3 Replies

austire

A document (object in JSON terminology) consists of a set of ________ pairs.

A document (object in JSON terminology) consists of a set of ________ pairs.

[html]Question 1.The data model used in a document database is often referred to as ________ data.

• structured

• full-structured

• relational

• semi-structuredQuestion 2.A document (objec

regina nana   11   1 Reply

n00835996

Typical commands available in a document database include all the following except ________.

Typical commands available in a document database include all the following except ________.

[html]Question 1.A document database is designed to provide ________.

• fast processing of queries over a single large collection of similar documents

• fast processing of queries over a multiple large collection of similar

yufeige4   10   2 Replies

yufeige4

The main mechanism for data distribution in ArangoDB is called shading.

The main mechanism for data distribution in ArangoDB is called shading.

[html]Question 1.Hash indexes provide performance enhancements for range searches.

• true

• falseQuestion 2.The main mechanism for data distribution in ArangoDB is called shading.

• true

•

meikunn2565   10   1 Reply

sarahlouhigg

In regard to joins, ArangoDB makes it easier than most NoSQL databases by providing the option to ...

In regard to joins, ArangoDB makes it easier than most NoSQL databases by providing the option to ...

[html]Question 1.The AQL equivalent of GROUP BY is called COLLECT.

• true

• falseQuestion 2.In regard to joins, ArangoDB makes it easier than most NoSQL databases by providing the option to

Crystalboo92   7   3 Replies

Omama

An ArangoDB array, unlike arrays in programming languages, does not allow accessing individual ...

An ArangoDB array, unlike arrays in programming languages, does not allow accessing individual ...

[html]Question 1.The Application Programming Interface (API) connects to ArangoDB using the common HTML protocol used by web browsers and other software.

• true

• falseQuestion 2.An ArangoDB

tarasen57   7   1 Reply

Andreasnlnvld

The query language provided by ArangoDB is called ArangoDB Query Language.

The query language provided by ArangoDB is called ArangoDB Query Language.

[html]Question 1.In a document database one is willing to accept a certain amount of redundancy in return for some flexibility, performance, and scalability.

• true

• falseQuestion 2.The que

anthonydel117   6   3 Replies

amw87470

Document databases have a well-developed theory and practice of database design.

Document databases have a well-developed theory and practice of database design.

[html]Question 1.In a document database every record must have the exact same columns.

• true

• falseQuestion 2.Document databases have a well-developed theory and practice of database desig

sjbux   7   1 Reply

binva

A document database is mainly intended for processing multiple, large collections of documents.

A document database is mainly intended for processing multiple, large collections of documents.

[html]Question 1.JSON data files do not have to conform to any schema.

• true

• falseQuestion 2.A document database is mainly intended for processing multiple, large collections of documents

linhhh   9   2 Replies

linhhh

Data can be created in the ArangoDB by using the Upload button.

Data can be created in the ArangoDB by using the Upload button.

[html]Question 1.The real power of JSON lies in the definition of "structure".

• true

• falseQuestion 2.Data can be created in the ArangoDB by using the Upload button.

• true

• false[/html

zmudasam   8   1 Reply

Andreasnlnvld

In JSON, there are two data structuring concepts: the object and the array.

In JSON, there are two data structuring concepts: the object and the array.

Question 1.JSON stands for Jason Script Object Notation.

• true

• falseQuestion 2.In JSON, there are two data structuring concepts: the object and the array.

• true

• false

emlaai   7   3 Replies

Brittany08196

The two most popular document-oriented formats for storing data are XML and JSON.

The two most popular document-oriented formats for storing data are XML and JSON.

Question 1.What are the elements of a graph database?Question 2.The two most popular document-oriented formats for storing data are XML and JSON.

• true

• false

Izzydhindsa   10   1 Reply

Gparker

In a column family database, the unit of data that most closely corresponds to a relation is the ________.

In a column family database, the unit of data that most closely corresponds to a relation is the ________.

[html]Question 1.In the following sample document data (presented in MongoDB syntax), how many documents are there?
{
 _id: "Advisor1",
 name: "Shire, Robert",
 dept: "History",
 yearHired: 1975
}

Villerys39   11   3 Replies

gtur

Document databases typically base their data structuring features on ________.

Document databases typically base their data structuring features on ________.

[html]Question 1.In a key value database, the basic "get" operation ________.

• retrieves all values in the database

• retrieves all keys with a specified value

• retrieves all values associated with a key

• retrieves the

jus10n   8   1 Reply

austire

The "value" in a key value database can be ________.

The "value" in a key value database can be ________.

[html]Question 1.Graph databases are composed of ________.

• Nodes, Properties, and Edges

• Properties, Columns, and Super Columns

• Edges, Nodes, and Tables

• Nodes, Columns, and PropertiesQuestion 2.

baileymeredith   6   2 Replies

baileymeredith

Microsoft Azure is a ________ platform.

Microsoft Azure is a ________ platform.

[html]Question 1.The four categories of NoSQL databases studied in this appendix are ________.

• Key-Value, Document, XML, and Graph

• Key-Value, XML, Column Family, and Graph

• XML, Document, Column Family, and Graph

• Ke

SPP24   7   1 Reply

johnsyke

Column family databases may use columns, super columns, column families, and super column families.

Column family databases may use columns, super columns, column families, and super column families.

[html]Question 1.The CAP theorem states that all three properties (consistency, availability, and partition tolerance) can be guaranteed at the same time when properly created.

• true

• falseQuestion 2.

seeb1999   6   2 Replies

seeb1999

The 3V framework for discussing Big Data consists of Volume, Velocity, and Vicious.

The 3V framework for discussing Big Data consists of Volume, Velocity, and Vicious.

[html]Question 1.The 3V framework for discussing Big Data consists of Volume, Velocity, and Variety.

• true

• falseQuestion 2.The 3V framework for discussing Big Data consists of Volume, Vel

anthonydel117   11   1 Reply

vvnluu

The CAP theorem defines the three properties, one of which is partition tolerance.

The CAP theorem defines the three properties, one of which is partition tolerance.

[html]Question 1.The CAP theorem defines the three properties, one of which is authorization.

• true

• falseQuestion 2.The CAP theorem defines the three properties, one of which is partition

lurielbank   10   3 Replies

amw87470

One of the four categories of NoSQL databases used in the text is the Column Family database.

One of the four categories of NoSQL databases used in the text is the Column Family database.

[html]Question 1.One of the four categories of NoSQL databases used in the text is the Word Processing database.

• true

• falseQuestion 2.One of the four categories of NoSQL databases used i

Gideon123   7   1 Reply

crdsa

What is a reporting system?

What is a reporting system?

Question 1.What are Business Intelligence (BI) systems?Question 2.What is a reporting system?

jonnyjon   8   3 Replies

Strategyboyz21

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

[html]Question 1.Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 drugs. Use the table below to answer the following questions.

kaarnold98   10   1 Reply

Jjogbhf

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

[html]Question 1.Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 drugs. Use the table below to answer the following questions.

Ilovebacon22   12   2 Replies

5 / 5

Ilovebacon22

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

Here is Market Basket data for 1,000 transactions at a Drug Store. All transactions involve 1 or 2 ...

[html]Question 1.Market basket analysis is ________.

• a data mart specific technique

• a reporting technique

• an OLAP application

• a data mining techniqueQuestion 2.Here is Market Baske

PiMaster314   12   1 Reply

mace

Which of the following popular data mining techniques does not require special software?

Which of the following popular data mining techniques does not require special software?

[html]Question 1.Which of the following is a common supervised data mining technique?

• Cluster analysis

• Regression analysis

• RFM analysis

• SQL analysisQuestion 2.Which of the followin

jacksonfive09   9   2 Replies

jacksonfive09

The reports generated by a reporting system can be delivered in all of the following media except ________.

The reports generated by a reporting system can be delivered in all of the following media except ________.

[html]Question 1.A report generated by a reporting system is delivered to the appropriate users via an electronic display customized for each user. This system uses which of the following media?

• Paper

• Web portal

• Digit

dskmvld   7   1 Reply

Woo

The reports generated by a reporting system can be classified as any of the following except ________.

The reports generated by a reporting system can be classified as any of the following except ________.

[html]Question 1.The metadata maintained by a reporting system database describes all of the following except ________.

• triggers

• users

• groups

• reportsQues

temp321   10   2 Replies

temp321

To produce the set of customers with a R score of 2, the SQL SELECT TOP ________ PERCENT syntax ...

To produce the set of customers with a R score of 2, the SQL SELECT TOP ________ PERCENT syntax ...

[html]Question 1.RFM analysis can be done using SQL ________.

• user-defined functions

• stored procedures

• triggers

• union queriesQuestion 2.To produce the set of customers with a R sco

caillacakes   8   1 Reply

joanamet

A BI reporting system ________.

A BI reporting system ________.

[html]Question 1.A data mart differs from a data warehouse in all the following ways except ________.

• data marts use more operational data

• it deals with a particular component or f

spruckj   8   2 Replies

spruckj

Which of the following is not a component of a data warehouse?

Which of the following is not a component of a data warehouse?

[html]Question 1.A data warehouse database differs from an operational database because ________.

• data warehouse data are not stored in tables

• data warehouse databases do not have metadata

• data warehouse data are ofte

whatsupgirl16   7   1 Reply

Andreasnlnvld

Which of the following is (are) true about data mining applications?

Which of the following is (are) true about data mining applications?

[html]Question 1.Data mining applications are used accomplish all of the following tasks except ________.

• update the database

• make predications

• facilitate decision making

• per

Nicpico   8   2 Replies

Nicpico

In using a decision tree, questions are represented by ovals and decisions by rectangles.

In using a decision tree, questions are represented by ovals and decisions by rectangles.

[html]Question 1.A decision tree represents a set of rules that can be easily expressed in English or in SQL.

• true

• falseQuestion 2.In using a decision tree, questions are represented by

caillacakes   9   1 Reply

gdchavis1

Report systems include three functions: authoring, management, and delivery.

Report systems include three functions: authoring, management, and delivery.

[html]Question 1.A report that is sent to users only upon the user's request is called on-demand report.

• true

• falseQuestion 2.Report systems include three functions: authoring, managemen

lihui   7   3 Replies

johnsyke

RFM analysis is a way of analyzing and ranking customers based on on-line survey data.

RFM analysis is a way of analyzing and ranking customers based on on-line survey data.

[html]Question 1.BI reporting systems are intended to create meaningful information from disparate data sources and to deliver that information to the proper users on a timely basis.

• true

• falseQuesti

zmudasam   12   1 Reply

5 / 5

curtissxx9