FA5 - Sheet1 Flashcards
Data Warehousing started in the late 1980s when Paul Murphy and ___________ developed the Business Data Warehouse.
Barry Devlin
Data warehouse architecture with data marts.
Hub and spoke
Data mining tool is an example of:
Group of answer choices
END-USER ACCESS TOOL
QUERY MANAGER
WAREHOUSE MANAGER
LOAD MANAGER
END-USER ACCESS TOOL
Data warehouse architecture with data marts.
Group of answer choices
ODS
DW with staging area
Sandboxes
Hub and spoke
Hub and spoke
Data Warehousing started in the late 1980s when Paul Murphy and ___________ developed the Business Data Warehouse.
Group of answer choices
Inmon Bill
Barry Devlin
Barry Inmon
Barry Murphy
Barry Devlin
An EDW architecture with data mart level is a three-tier architecture.
Group of answer choices
True
False
False
The OLTP is used to manage dynamic data in real-time.
Group of answer choices
True
False
True
The acronym OLAP stands for: Online Analysis Processing.
Group of answer choices
True
False
False
An EDW with OLAP level is a two-tier architecture.
Group of answer choices
True
False
False
The Data Mart is a type of data warehouse that is refreshed in real time.
Group of answer choices
True
False
False
The acronym ODS stands for : __________________.
Group of answer choices
OPERATION DATA STORAGE
OPERATION DATA STORE
OPERATIONAL DATA STORE
OPERATIONAL DATA STORAGE
OPERATIONAL DATA STORE
A _______ is a specific type of database that represents data from multiple dimensions.
Group of answer choices
OLAP
OLAP CUBE
DATA MART
ODS
OLAP CUBE
What is the full form of the acronym OLTP?
Group of answer choices
Online Transactions Procedural Databases
Online Transactions Processing Databases
Online Loading Transactions Processing Databases
Online Transformation Processing Databases
Online Transactions Processing Databases
Data Warehouse uses ________ systems organize and present information in specific formats to accommodate the diverse needs of various users.
Group of answer choices
OLAP
OLTP
OLAP
An EDW component that refers to the tools that give end users access to data.
Group of answer choices
REPORTING LAYER
ETL
STAGING AREA
DATAWAREHOUSE DATABASE
REPORTING LAYER
The _______ table is a collection of reference information about a measurable in the fact table.
DIMENSION
The Fact table is consist of the key column and measures or ______.
FACT DATA
An extension of star schema where the dimension tables are connected to one or more dimensions.
SNOWFLAKE SCHEMA
The Fact table measures is also known as fact data.
Group of answer choices
True
False
True
The Galaxy schema can have one fact table and a number of associated dimension tables.
Group of answer choices
True
False
False
Data warehouse component that transforms data in preparation for entering the data warehouse.
LOAD MANAGER
Data warehouse in Banking, Telecommunication, Financial Services are examples of __________.
Group of answer choices
Advantages of Data Warehouse
Tools for Data Warehouse
Benefits of Data Warehouse
Applications of Data Warehouse
Applications of Data Warehouse
Client-side front end tools is in ______ tier.
Group of answer choices
TOP
NO TIER
MIDDLE
BOTTOM
TOP
The ________ is also known as backend component.
Group of answer choices
LOAD MANAGER
TRANSACTION MANAGER
QUERY MANAGER
WAREHOUSE MANAGER
QUERY MANAGER
The ‘T’ in the acronym OLTP, stands for: TRANSFORM.
Group of answer choices
True
False
False
ODS support only daily operations, so their view of historical data is very limited.
Group of answer choices
True
False
True
The ODS is a type of data warehouse that is refreshed in real time.
Group of answer choices
True
False
True
Type of data warehouse which is refreshed in real time.
Group of answer choices
DATA MART
EDW
Not in the options
ODS
ODS
A ______ data mart that can take data from data warehouses or operational systems.
Group of answer choices
INDEPENDENT
HYBRID
DEPENDENT
HYBRID
A _______ data mart is created without the use of a central data warehouse.
Group of answer choices
DEPENDENT
INDEPENDENT
HYBRID
INDEPENDENT
Data Mart implementation step that involves creating the physical database and the logical structures.
Group of answer choices
Accessing
Designing
Managing
Constructing
Constructing
The ‘T’ in the acronym OLTP, stands for: ___________.
Group of answer choices
TRANFORM
TRANSACTIONS
TRANSFER
TOOL
TRANSACTIONS
The fact table contains the ________ key column that allows joins with dimension tables.
FOREIGN
The fact table contains the foreign key column that allows joins with ________ tables.
DIMENSION
OLAP Server is in _______ tier.
Group of answer choices
BOTTOM
TOP
MIDDLE
NOT IN TIER
MIDDLE
Data Warehousing started in the late 1980s when Paul _____ and Barry Devlin developed the Business Data Warehouse.
Group of answer choices
Devlin
Bill
Murphy
Inmon
Murphy
An EDW with data mart level is a three-tier architecture.
Group of answer choices
True
False
False
The tool that transform data in the staging area before EDW.
Group of answer choices
ELT
ETL
ETL
An EDW architecture with data mart level
Group of answer choices
One-Tier
Two-Tier
Three-Tier
Not in Tier
Two-Tier
ODS uses _______ systems to manage dynamic data in real-time.
Group of answer choices
OLTP
OLAP
OLTP
A schema where multiple fact tables share dimension tables.
GALAXY
The ______ table contains the foreign key column that allows joins with dimension tables.
FACT
The primary key column of the fact table has uniquely identifies each dimension record or row.
Group of answer choices
True
False
In Galaxy schema, it is possible to build this type of schema by splitting the one-star schema into more Star schemes.
Group of answer choices
True
False
True
The _____ tier mainly consists of the Data Sources, ETL Tool, and Data Warehouse.
BOTTOM
He was considered as father of Data Warehouse.
INMON BILL
Enhanced Business Intelligence, query process and timely access to data are examples of ________.
Group of answer choices
Data warehouse process
Advantages of data warehouse
Applications of Data Warehouse
Data warehouse components
Advantages of data warehouse
What is the full form of the acronym BIS?
Group of answer choices
Business Intelligence Solution
Business Intelligence System
Business Intelligent Solution
Business Intelligent System
Business Intelligence Solution
The Designing step of Data Mart implementation involves creating the physical database and the logical structures.
Group of answer choices
True
False
False
The ‘T’ in the acronym OLTP, stands for: TRANSACTIONS.
Group of answer choices
True
False
True
The ______tool transform data in the staging area before EDW.
Group of answer choices
Data Mining
End-user
DATA WAREHOUSE
ETL
ETL
An EDW with database directly connected with the analytical interfaces where the end user can make queries.
Group of answer choices
One-tier
No tier
Two-tier
Three-tier
One-tier
Data Mart implementation step that involves putting the data to use: querying the data, creating reports, charts, and publishing them.
Group of answer choices
Managing
Designing
Constructing
Accessing
Accessing
These tables hold fields that represent the direct facts, as well as the foreign fields that are used to connect the fact table with other dimension tables in the Data Warehouse system.
FACT TABLE
The fact table contains the primary key column that allows joins with dimension tables.
Group of answer choices
True
False
False
Alternative name for Data Warehouse System is EIS. What is the full form of this acronym?
Group of answer choices
Executive Information System
Enhanced Information System
Executive Intelligent System
Enterprise Information System
Executive Information System
The acronym OLAP stands for: Online Analytical Processing.
Group of answer choices
True
False
True
An EDW with data mart level is a two-tier architecture.
Group of answer choices
True
False
True
An EDW architecture with OLAP
Group of answer choices
Not in Tier
Three-Tier
One-Tier
Two-Tier
Three-Tier
ODS support only ______ operations, so their view of historical data is very limited.
Group of answer choices
ROUTINE
DAILY
All the options
DAY TO DAY
DAILY
An EDW with _________ level is a two-tier architecture.
Group of answer choices
DATA MART
STAGING
ODS
OLAP SERVERS
DATA MART
Galaxy schema is also know as ________.
FACT CONSTELLATION SCHEMA
The disadvantage of the snowflake schema it uses large disk space.
Group of answer choices
True
False
False
Galaxy schema is also know as STAR CONSTELLATION SCHEMA.
Group of answer choices
True
False
False
Client-side front end tools is in ______ tier.
TOP
Alternative name for Data Warehouse System is EIS. What is the full form of this acronym?
Executive Information System
The QUERY MANAGER is also known as the _____ component.
Group of answer choices
FRONT
BACKEND
BACKEND
He was considered as father of Data Warehouse.
Group of answer choices
Imnon Bill
Immon Bill
Innon Bill
Inmon Bill
Inmon Bill
The Star Schema is also know as _______.
STAR JOIN SCHEMA
Galaxy schema is also know as FACT CONSTELLATION SCHEMA.
Group of answer choices
True
False
True
The ________ is also known as backend component.
QUERY MANAGER
The middle tier consists of the _______ servers.
OLAP
The _______ is also called the front component.
Group of answer choices
LOAD MANAGER
WAREHOUSE MANAGER
EXTRACTION MANAGER
TRANSACTION MANAGER
LOAD MANAGER
The LOAD MANAGER is also called the ______ component.
Group of answer choices
BACKEND
FRONT
FRONT
The ETL tool transform data in the staging area before EDW.
Group of answer choices
True
False
True
Data mart has a more implementation time compared to data warehouse systems.
Group of answer choices
True
False
A _______ data mart allows sourcing organization’s data from a single data warehouse.
Group of answer choices
INDEPENDENT
DEPENDENT
HYBRID
DEPENDENT
The fact table measures those that contain ________ facts.
QUANTITATIVE
The ______ schema can have one fact table and a number of associated dimension tables.
STAR
A Data Warehouse system can have one or more fact tables.
Group of answer choices
True
False
True
19/19 bcs idk ung contain __ faacts
A data warehouse architecture where operational data must be cleaned and processed before being put in the warehouse.
Group of answer choices
SIMPLE WITH STAGING AREA
SIMPLE
HUB & SPOKE
SANDBOXES
SIMPLE WITH STAGING AREA
A ________ is a logical description that describes the entire database.
SCHEMA
The Fact table measures is also known as numeric data.
Group of answer choices
True
False
True
The load manager is also known as _______ component.
FRONT
A data warehouse architecture where metadata, summary data, and raw data are stored within the central repository of the warehouse.
SIMPLE
An electronic storage of a large amount of information by a business or organization.
Group of answer choices
OLAP SERVERS
END-USER TOOLS
DATA MARTS
DATA WAREHOUSE
DATA WAREHOUSE
Raising ownership, dimensional technique and extra reporting are some ______ of data warehouse.
Group of answer choices
DISADVANTAGES
ADVANTAGES
DISADVANTAGES
The Star schema can have one fact table and a number of associated dimension tables.
Group of answer choices
True
False
True
A type of Data Management System that is solely intended to perform queries and analysis from large amount of historical data to support BI activities.
DATA WAREHOUSING
In ______ schema the dimension tables are normalized which splits data into additional tables.
STAR