FORMATIVE 5 Flashcards
OLAP Server is in (MIDDLE) tier.
True or False
True
A data wareouse component that performs operations associated with the management of the data in the warehouse.
LOAD MANAGER
WAREHOUSE MANAGER
STAGING MANAGER
QUERY MANAGER
WAREHOUSE MANAGER
The middle tier consists of the ______.
OLAP SERVERS
WAREHOUSE MANAGER
LOAD MANAGER
QUERY MANAGER
OLAP SERVERS
The _____ is also known as backend component.
LOAD MANAGER
WAREHOUSE MANAGER
QUERY MANAGER
TRANSACTION MANAGER
QUERY MANAGER
The ODS is a type of data warehouse that is refreshed in real time.
True or False
True
The Data Mart is a type of data warehouse that is refreshed in real time.
True or False
False
The acronym OLAP stands for Online Analysis Processing.
True or False
False
An EDW with OLAP level is a two-tier architecture.
True or False
False
The Designing step of Data Mart implementation involves creating the physical database and the logical structures.
True or False
False
The acronym ODS stands for: _______
OPERATIONAL DATA STORE
OPERATIONAL DATA STORAGE
OPERATION DATA STORE
OPERATION DATA STORAGE
OPERATION DATA STORE
The tool that transform data in the staging area before EDW.
ETL
ELT
ETL
Data Mart implementation step that involves creating the physical database and the logical structures.
Designing
Constructing
Accessing
Managing
Constructing
An EDW architecture with OLAP
One-Tier
Two-Tier
Three-Tier
Not in Tier
Three-Tier
ODS support only ______ operatiosn, so their view of historical data is very limited.
DAILY
DAY TO DAY
ROUTINE
All the options
DAY TO DAY
The (STAR) Schema is also know as STAR JOIN SCHEMA
STAR
(SNOWFLAKE SCHEMA)
An extension of star schema where the dimension tables are connected to one or more dimensions.
True or False
True
The (FACT) table contains the foreign key column that allows joins withh dimension tables.
True or False
True
The Galaxy schema can have one fact table and a number of associated dimension tables.
True or False
False
A data warehouse component that performs operations associated with the management of the data in the warehouse.
(WAREHOUSE MANAGER)
True
False
True
What is the full form of the acronym BIS?
Business Intelligent Solution
Business Intelligence Solution
Business Intelligent System
Business Intelligence System
Business Intelligence System
Data Warehousing started in the late 1980s when Paul _____ and Barry Devlin developed the Business Data Warehouse.
Murphy
Inmon
Devlin
Bill
Murphy
The LOA MANAGER is also called the _____ component.
FRONT
BACKEND
FRONT
An EDW architecture with data mart level is a three-tier architecture.
True
False
False
Data mart has a more implementation time compared to data warehouse systems.
True
False
False
A _______ data mart is created without the use of a central data warehouse.
DEPENDENT
INDEPENDENT
HYBRID
INDEPENDENT
Type of data warehouse which is refreshed in real time.
EDW
ODS
DATA MART
Not in the options
ODS
A ______ data mart that can take data from data warehouses or operational systems.
DEPENDENT
INDEPENDENT
HYBRID
HYBRID
Data Mart implementation step that involves putting the data to use: querying the data, creating reports, charts, and publishing them.
Group of answer choices
Designing
Constructing
Accessing
Managing
Accessing
A _____ is a specific type of database that reprensents data from multiple dimensions.
DATA MART
ODS
OLAP
OLAP CUBE
OLAP CUBE
In (SNOWFLAKE) schema the dimension tables are normalized which splits data into additional tables.
True
False
True
Galaxy schema is also known as (FACT CONSTELLATION SCHEMA)
True
False
True
The Fact Table Measure is also known as numeric data.
True
False
True
The primary key column of the fact table has uniquely identifies each dimension record or row.
True
False
False
Data warehouse architecture with data marts.
(HUB AND SPOKE)
True
False
True
Client-side front end tools is in (TOP) tier.
True
False
True
Raising ownerships, dimensional technique and extra reporting are some ______ of data warehouse.
DISADVANTAGES
ADVANTAGES
DISADVANTAGES
The QUERY MANAGER is also known as the ______ component.
FRONT
BACKEND
BACKEND
An EDW architecture with data mart level is a three-tier architecture.
True
False
False
The OLTP is used to manage dynamic data in real-time
True
False
True
The ‘T’ in the acronym OLTP, stands for: TRANSACTIONS.
True
False
True
What is the full form of the acronym OLTP?
Online Loading Transactions Processing Databases
Online Transformation Processing Databases
Online Transactions Procedural Databases
Online Transactions Processing Databases
Online Transactions Processing Databases
ODS uses _____ systems to manage dynamic data in real-time
OLAP
OLTP
OLTP
The (DIMENSION) table is a collection of reference information about a measurable in the fact table.
True
False
True
The fact table measures those that contain (DIRECT) facts.
True
False
Not Sure
Not Sure
In Star Schema, Every dimension in a star schema is represented with the only one-dimension table.
True
False
True
In Galaxy schema, it is possible to build this type of schema by splitting the one-star schema into more Star schemes.
True
False
True
A (SCHEMA) is a logical description that describes the entire database.
True
False
True
The (STAR) schema can have one fact table anda number of associated dimension tables
True
False
True
A ______ data mart allows sourcing organization’s data from single data warehouse.
DEPENDENT
INDEPENDENT
HYBRID
DEPENDENT
An EDW architecture with data mart level
One-Tier
Two-Tier
Three-Tier
Not in Tier
Two-Tier
Data Warehouses uses ______ systems organize and present information in specific formats to accomoate the diverse needs of various users.
OLAP
OLTP
OLAP
Alternative name for Data Warehouse System is EIS. What is the full form of this acronym?
Enhanced Information System
Executive Intelligent System
Executive Information System
Enterprise Information System
Executive Information System
The _______ is also called the front component.
LOAD MANAGER
WAREHOUSE MANAGER
EXTRACTION MANAGER
TRANSACTION MANAGER
LOAD MANAGER
An EDW with data mart level is a two-tier architecture.
True
False
True
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)
True
False
True
The fact table contains the foreign key column that allows joins with dimension tables.
True
False
True