WGU C175 Binary Relationship Study test in
depth Examination and 100% correctly
verified Solutions Latest version 2024/2025
Tuple - correct answer Relational row
Attribute - correct answer Relational Field
Primary key - correct answer Attribute or group of attributes whose values are unique
throughout all rows of the relation
Candidate key - correct answer Relation has more than one attribute or minimum
group of attributes that represents a way of uniquely identifying the entities, then they
are each called
Alternate key - correct answer Candidate key that was not chosen to be the primary
key
Foreign key - correct answer An attribute or group of attributes that serves as the
primary key of one relation and also appears in another relation
Domain of values - correct answer Must both have values of the same type
Associative entity - correct answer
Equijoin - correct answer An equijoin combines two or more tables based on a column
that is common to the tables
Natural Join - correct answer The natural join matches each row in a table against
each row in another table based on common values found in columns sharing a
common name and data type
, Reengineering - correct answer Data and information systems are aggressively used
to redesign business processes for maximum efficiency
Relational algebra - correct answer It is a formal system for manipulating relations
Data definition language (DDL) - correct answer Involves instructing the DBMS
software on what tables will be in the database, what attributes will be in the tables,
which attributes will be indexed, and so forth.
Structured Query Language (SQL) - correct answer Standard language for data
management in relational databases
* in the SELECT clause - correct answer It indicates that all attributes of the selected
row are to be retrieved
AND operator - correct answer It displays a record if more than one condition is true
AVG() function - correct answer It returns the average value of a numeric column
BETWEEN operator - correct answer It allows you to specify a range of numeric
values in a search
Data management - correct answer data definition and data manipulation
DISTINCT operator - correct answer It is used to eliminate duplicate rows in a query
result
IN operator - correct answer It allows you to specify a list of character strings to be
included in a search
depth Examination and 100% correctly
verified Solutions Latest version 2024/2025
Tuple - correct answer Relational row
Attribute - correct answer Relational Field
Primary key - correct answer Attribute or group of attributes whose values are unique
throughout all rows of the relation
Candidate key - correct answer Relation has more than one attribute or minimum
group of attributes that represents a way of uniquely identifying the entities, then they
are each called
Alternate key - correct answer Candidate key that was not chosen to be the primary
key
Foreign key - correct answer An attribute or group of attributes that serves as the
primary key of one relation and also appears in another relation
Domain of values - correct answer Must both have values of the same type
Associative entity - correct answer
Equijoin - correct answer An equijoin combines two or more tables based on a column
that is common to the tables
Natural Join - correct answer The natural join matches each row in a table against
each row in another table based on common values found in columns sharing a
common name and data type
, Reengineering - correct answer Data and information systems are aggressively used
to redesign business processes for maximum efficiency
Relational algebra - correct answer It is a formal system for manipulating relations
Data definition language (DDL) - correct answer Involves instructing the DBMS
software on what tables will be in the database, what attributes will be in the tables,
which attributes will be indexed, and so forth.
Structured Query Language (SQL) - correct answer Standard language for data
management in relational databases
* in the SELECT clause - correct answer It indicates that all attributes of the selected
row are to be retrieved
AND operator - correct answer It displays a record if more than one condition is true
AVG() function - correct answer It returns the average value of a numeric column
BETWEEN operator - correct answer It allows you to specify a range of numeric
values in a search
Data management - correct answer data definition and data manipulation
DISTINCT operator - correct answer It is used to eliminate duplicate rows in a query
result
IN operator - correct answer It allows you to specify a list of character strings to be
included in a search
