Databases Assesment
What does the acronym RDBMS stand for?
Relational Database Management Systems
What does the abbreviation SQL stand for?
Structured Query Language
Commonly used techniques to gain information in web mining include, ________, ________, and ________.
WCM, WSM & WUM
Data governance policies help to ensure an organization's data is valid, understandable, complete, and ________.
accesible
Data integrity means the database is reliable, ________, and aligned to the goals of the organization.
accurate
To create a relationship between two tables, you must use a ________ field that is present in both tables.
common
A query can filter data based on specific ________ also known as ________.
criteria conditions
Knowledge Discovery in Data (KDD) is also known as ________.
data mining
Databases are designed to maintain data and information about various types of data objects, including ________.
eventsevents peoplepeople places
Data centralization is critical for increasing data ________.
integrity
Database forms structure data input to ensure data ________.
integrity
Data marts are used to track ________, purchase transactions, and the supply chain.
inventories
A database relationship is a(n) ________ between tables that define how the data are related.
link
Traditional file systems use ________, files, and documents.
paper
RAM storage and ________ processing are two main in-memory computing components.
parallel
To set a primary key field in a database table, you must click the ________ key button.
primary
What type of field is used in both tables to create a relationship?
primary
The major advantages of executing a data quality audit include ________.
reduced risk of data inconsistencyreduced risk of data inconsistency reduced data storage costsreduced data storage costs data improvement recommendations
A database record is also referred to as a ________ in the table.
row
Information in a database table is made up of ________ called records or objects, and ________ called fields.
rows columns
Analytics platforms provide information about a variety of business and operational areas, including ________, ________, ________.
sales and marketing analyticsanalytics customer analytics query analytics
Relational databases organize data into ________ based on structured data groupings.
tables
Parameter queries prompt the user for ________ to run a query.
values
One of the ways web mining improves web experiences is through site visibility. Site visibility includes how and ________ the website appears when queries are executed in a search engine.
when
Key features of cloud databases include...
Enterprise users are able to host databases without the need to buy and maintain specialized hardwareEnterprise users are able to host databases without the need to buy and maintain specialized hardware Can be self-managed or maintained and managed by a providerCan be self-managed or maintained and managed by a provider Accessed through the web or an API supported by the vendor (Application Programming Interface)Accessed through the web or an API supported by the vendor (Application Programming Interface) Support SQL and NoSQL databases
data quality audit uses ________ analysis to test data, variabilities, and outcomes against test data.
statistical
Data marts assist with the ________ of what data a user needs rather than focusing on existing data.
analysis
The primary key field cannot hold a ________ or ________ value.
duplicate null
Data scrubbing (data cleaning) involves identifying ________ in data sets then duplicating these errors to ensure the data is accurate for an organization.
errors
When multiple lists and data integrity. sources are maintained, information can become ________, leading to decreased data
lost
Some of the duties a database administrator performs include ________.
securitysecurity tuningtuning backup
SoSQL (non-relational databases) are also useful for querying the data generated by ________ sites, ________ apps, and other emerging digital content sources.
social mediasocial media mobile
SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the ________ language for relational database management systems.
standard