1/85
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
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 WAREHOUSE
The Star Schema is also know as ______.
STAR JOIN SCHEMA
A Data Warehouse system can have one or more fact tables.
Group of answer choices
True
False
True
In ______ schema the dimension tables are normalized which splits data into additional tables.
SNOWFLAKE
The fact table contains the ________ key column that allows joins with dimension tables.
FOREIGN
The Fact table measures is also known as fact data.
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
Enhanced Information System
Enterprise Information System
Executive Information System
Executive Intelligent System
Enterprise Information System
The fact table contains the foreign key column that allows joins with dimension tables.
Group of answer choices
True
False
True
The load manager is also known as _______ component.
FRONT
A data warehouse architecture where operational data must be cleaned and processed before being put in the warehouse.
Group of answer choices
SANDBOXES
SIMPLE WITH STAGING AREA
SIMPLE
HUB & SPOKE
SIMPLE WITH STAGING AREA
Data Warehouse uses ________ systems organize and present information in specific formats to accommodate the diverse needs of various users.
Group of answer choices
OLTP
OLAP
OLAP
A schema where multiple fact tables share dimension tables.
GALAXY SCHEMA
What is the full form of the acronym OLTP?
Group of answer choices
Online Transactions Procedural Databases
Online Loading Transactions Processing Databases
Online Transactions Processing Databases
Online Transformation Processing Databases
Online Transactions Processing Databases
Client-side front end tools is in ______ tier.
Group of answer choices
BOTTOM
NO TIER
MIDDLE
TOP
TOP
A data warehouse component that performs operations associated with the management of the data in the warehouse.
Group of answer choices
QUERY MANAGER
LOAD MANAGER
WAREHOUSE MANAGER
STAGING MANAGER
WAREHOUSE MANAGER
OLAP Server is in _______ tier.
THREE
The _______ table is a collection of reference information about a measurable in the fact table.
DIMENSION
An EDW with _________ level is a two-tier architecture.
Group of answer choices
ODS
DATA MART
STAGING
OLAP SERVERS
DATA MART
ODS support only daily operations, so their view of historical data is very limited.
Group of answer choices
True
False
True
A data warehouse component that performs operations associated with the management of the data in the warehouse.
WAREHOUSE MANAGER
The 'T' in the acronym OLTP, stands for: TRANSACTIONS.
Group of answer choices
True
False
True
The disadvantage of the snowflake schema it uses large disk space.
Group of answer choices
True
False
False
OLAP Server is in _______ tier.
Group of answer choices
MIDDLE
BOTTOM
TOP
NOT IN TIER
MIDDLE
An EDW with data mart level is a two-tier architecture.
Group of answer choices
True
False
True
The 'T' in the acronym OLTP, stands for: ___________.
Group of answer choices
TOOL
TRANSACTIONS
TRANFORM
TRANSFER
TRANSACTIONS
Type of data warehouse which is refreshed in real time.
Group of answer choices
Not in the options
ODS
DATA MART
EDW
ODS
An EDW component that refers to the tools that give end users access to data.
Group of answer choices
ETL
DATAWAREHOUSE DATABASE
REPORTING LAYER
STAGING AREA
REPORTING LAYER
The ______tool transform data in the staging area before EDW.
Group of answer choices
ETL
End-user
DATA WAREHOUSE
Data Mining
ETL
An EDW with data mart level is a three-tier architecture.
Group of answer choices
True
False
False, its only two tier
The ODS is a type of data warehouse that is refreshed in real time.
Group of answer choices
True
False
True
He was considered as father of Data Warehouse.
Group of answer choices
Innon Bill
Inmon Bill
Imnon Bill
Immon Bill
Inmon Bill
Client-side front end tools is in ______ tier.
TOP
The _______ is also called the front component.
Group of answer choices
EXTRACTION MANAGER
LOAD MANAGER
TRANSACTION MANAGER
WAREHOUSE MANAGER
LOAD MANAGER
The ________ is also known as backend component.
QUERY MANAGER
The Galaxy schema can have one fact table and a number of associated dimension tables.
Group of answer choices
True
False
False, its the star schema
The ______ Schema is also know as STAR JOIN SCHEMA).
STAR
An extension of star schema where the dimension tables are connected to one or more dimensions.
SNOWFLAKE SCHEMA
The ______ schema can have one fact table and a number of associated dimension tables.
STAR
Data Mart implementation step that involves putting the data to use: querying the data, creating reports, charts, and publishing them.
Group of answer choices
Accessing
Constructing
Managing
Designing
Accessing
The acronym OLAP stands for: Online Analytical Processing.
Group of answer choices
True
False
True
The Designing step of Data Mart implementation involves creating the physical database and the logical structures.
Group of answer choices
True
False
False, Its constructing
The ________ is also known as backend component.
Group of answer choices
QUERY MANAGER
WAREHOUSE MANAGER
TRANSACTION MANAGER
LOAD MANAGER
QUERY MANAGER
The _______ is also called the front component.
LOAD MANAGER
A data warehouse architecture where metadata, summary data, and raw data are stored within the central repository of the warehouse.
SIMPLE
The middle tier consists of the _________.
Group of answer choices
WAREHOUSE MANAGER
OLAP SERVERS
QUERY MANAGER
LOAD MANAGER
OLAP SERVERS
The LOAD MANAGER is also called the ______ component.
Group of answer choices
BACKEND
FRONT
FRONT
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
The QUERY MANAGER is also known as the _____ component.
Group of answer choices
FRONT
BACKEND
BACKEND
Data warehouse architecture with data marts.
Group of answer choices
Hub and spoke
Sandboxes
DW with staging area
ODS
Hub and spoke
The Data Mart is a type of data warehouse that is refreshed in real time.
Group of answer choices
True
False
False
The 'T' in the acronym OLTP, stands for: TRANSFORM.
Group of answer choices
True
False
False
The acronym OLAP stands for: Online Analysis Processing.
Group of answer choices
True
False
False
An EDW architecture with data mart level is a three-tier architecture.
Group of answer choices
True
False
False
ODS support only ______ operations, so their view of historical data is very limited.
Group of answer choices
All the options
ROUTINE
DAILY
DAY TO DAY
DAILY
An EDW architecture with data mart level
Group of answer choices
One-Tier
Two-Tier
Not in Tier
Three-Tier
Two-Tier
Data mart has a more implementation time compared to data warehouse systems.
Group of answer choices
True
False
False
A _______ data mart is created without the use of a central data warehouse.
Group of answer choices
INDEPENDENT
HYBRID
DEPENDENT
INDEPENDENT
A ______ data mart that can take data from data warehouses or operational systems.
Group of answer choices
INDEPENDENT
DEPENDENT
HYBRID
HYBRID
A _______ data mart allows sourcing organization's data from a single data warehouse.
Group of answer choices
INDEPENDENT
HYBRID
DEPENDENT
DEPENDENT
The acronym ODS stands for : __________________.
Group of answer choices
OPERATION DATA STORAGE
OPERATIONAL DATA STORAGE
OPERATIONAL DATA STORE
OPERATION DATA STORE
OPERATIONAL DATA STORE
Data Mart implementation step that involves creating the physical database and the logical structures.
Group of answer choices
Designing
Constructing
Managing
Accessing
Constructing
The fact table measures those that contain ________ facts.
NUMERIC
The fact table contains the foreign key column that allows joins with ________ tables.
DIMENSION
Galaxy schema is also know as ________.
FACT CONSTELLATION SCHEMA
The ______ table contains the foreign key column that allows joins with dimension tables.
FACT
The Star schema can have one fact table and a number of associated dimension tables.
Group of answer choices
True
False
True
Galaxy schema is also know as FACT CONSTELLATION SCHEMA.
Group of answer choices
True
False
True
Enhanced Business Intelligence, query process and timely access to data are examples of ________.
Group of answer choices
Applications of Data Warehouse
Advantages of data warehouse
Data warehouse process
Data warehouse components
Advantages of data warehouse
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
Data mining tool is an example of:
Group of answer choices
LOAD MANAGER
QUERY MANAGER
END-USER ACCESS TOOL
WAREHOUSE MANAGER
END-USER ACCESS TOOL
An EDW with OLAP level is a two-tier architecture.
Group of answer choices
True
False
False, Its three-tier
The ETL tool transform data in the staging area before EDW.
Group of answer choices
True
False
True
The OLTP is used to manage dynamic data in real-time.
Group of answer choices
True
False
True
ODS uses _______ systems to manage dynamic data in real-time.
Group of answer choices
OLAP
OLTP
OLTP
An EDW architecture with OLAP
Group of answer choices
One-Tier
Not in Tier
Three-Tier
Two-Tier
Three-Tier
The tool that transform data in the staging area before EDW.
Group of answer choices
ETL
ELT
ETL
An EDW with database directly connected with the analytical interfaces where the end user can make queries.
Group of answer choices
No tier
Three-tier
One-tier
Two-tier
One-tier
A _______ is a specific type of database that represents data from multiple dimensions.
Group of answer choices
DATA MART
ODS
OLAP
OLAP CUBE
OLAP CUBE
The Fact table is consist of the key column and measures or ______.
FACT DATA
The primary key column of the fact table has uniquely identifies each dimension record or row.
Group of answer choices
True
False
False, its dimension table
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
A ________ is a logical description that describes the entire database.
SCHEMA
The Star Schema is also know as JOINT SCHEMA.
Group of answer choices
True
False
False, its Star Join Schema
The _____ tier mainly consists of the Data Sources, ETL Tool, and Data Warehouse.
BOTTOM
The Fact table measures is also known as numeric data.
Group of answer choices
True
False
False
Data Warehousing started in the late 1980s when Paul Murphy and ___________ developed the Business Data Warehouse.
BARRY DEVLIN