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[Show more]The practical significance of taking the logical view of a database is that it serves as a reminder 
of the simple file concept of data storage. - TRUE 
You can think of a table as a persistent representation of a logical relation. - TRUE 
The order of the rows and columns is important to the DBMS. ...
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Add to cartThe practical significance of taking the logical view of a database is that it serves as a reminder 
of the simple file concept of data storage. - TRUE 
You can think of a table as a persistent representation of a logical relation. - TRUE 
The order of the rows and columns is important to the DBMS. ...
What is a table? - A table is a persistent representation of a logical relation that is a relation 
whose contents can be saved for permanent use. 
What are the characteristics of a relational table? - The characteristics of a relational table are 
that a table is perceived as a two-dimensional stru...
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Add to cartWhat is a table? - A table is a persistent representation of a logical relation that is a relation 
whose contents can be saved for permanent use. 
What are the characteristics of a relational table? - The characteristics of a relational table are 
that a table is perceived as a two-dimensional stru...
A salesperson is authorized to sell many products and a product can be sold by many 
salespersons. 
Which kind of binary relationship does this scenario describe? 
One-to-one 
One-to-many 
Many-to-many 
One-to-one binary - Many-to-many 
Which two examples are attributes? 
Choose 2 answers 
A person ...
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Add to cartA salesperson is authorized to sell many products and a product can be sold by many 
salespersons. 
Which kind of binary relationship does this scenario describe? 
One-to-one 
One-to-many 
Many-to-many 
One-to-one binary - Many-to-many 
Which two examples are attributes? 
Choose 2 answers 
A person ...
A salesperson is authorized to sell many products and a product can be sold by many 
salespersons. 
Which kind of binary relationship does this scenario describe? - Many-to-many 
Which two examples are attributes? - An employee number 
A meeting code 
Which delete rule sets column values in a child ...
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Add to cartA salesperson is authorized to sell many products and a product can be sold by many 
salespersons. 
Which kind of binary relationship does this scenario describe? - Many-to-many 
Which two examples are attributes? - An employee number 
A meeting code 
Which delete rule sets column values in a child ...
An entity is said to be X -dependent if it can exist in the database only when it is associated with 
another related entity occurrence. - existence 
A table that has all key attributes defined has no repeating groups and all its attributes are 
dependent on the primary key is said to be in X. - 1nf...
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Add to cartAn entity is said to be X -dependent if it can exist in the database only when it is associated with 
another related entity occurrence. - existence 
A table that has all key attributes defined has no repeating groups and all its attributes are 
dependent on the primary key is said to be in X. - 1nf...
If integer values are relatively small, what should be used instead of INT? - SMALLINT 
What is the SQL command that allows a user to list the contents of a table? - SELECT 
What is the process the DBMS uses to verify that only registered users access the database? - 
Authentication 
What command is...
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Add to cartIf integer values are relatively small, what should be used instead of INT? - SMALLINT 
What is the SQL command that allows a user to list the contents of a table? - SELECT 
What is the process the DBMS uses to verify that only registered users access the database? - 
Authentication 
What command is...
A _____ key can be described as a minimal superky, a superkey without any unnecessary 
attributes. - candidate 
The _____ relationship should be rare in any relational database design. - 1:1 
A _____ is a key that can uniquely identify any row in the table. - superkey 
Rows are sometimes referred to...
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Add to cartA _____ key can be described as a minimal superky, a superkey without any unnecessary 
attributes. - candidate 
The _____ relationship should be rare in any relational database design. - 1:1 
A _____ is a key that can uniquely identify any row in the table. - superkey 
Rows are sometimes referred to...
C170: Data Management – Applications (MySQL) 
1A) 1NF 
RAW MySQL: 
CREATE TABLE Orders_1NF 
( 
OrderID INT NOT NULL AUTO_INCREMENT, 
DonutID INT NOT NULL, 
DonutName CHAR(75) NOT NULL, 
Description CHAR(255) NULL, 
UnitPrice DECIMAL(2,2) NULL, 
Quantity INT NOT NULL, 
OrderDate DATE NOT NULL, 
Spe...
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Add to cartC170: Data Management – Applications (MySQL) 
1A) 1NF 
RAW MySQL: 
CREATE TABLE Orders_1NF 
( 
OrderID INT NOT NULL AUTO_INCREMENT, 
DonutID INT NOT NULL, 
DonutName CHAR(75) NOT NULL, 
Description CHAR(255) NULL, 
UnitPrice DECIMAL(2,2) NULL, 
Quantity INT NOT NULL, 
OrderDate DATE NOT NULL, 
Spe...
C170: Data Management - Applications 
1 
Data Management Project 
Part A Normalized Model 
1a First Normal Form 
Table Design 
CREATE TABLE [dbo].[Sales_1NF] 
( 
[SaleId] INT NOT NULL IDENTITY(1,1), 
[DonutId] INT NOT NULL, 
[Name] NVARCHAR(50) NOT NULL, 
[Description] NVARCHAR(250) NULL, 
[UnitPric...
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Add to cartC170: Data Management - Applications 
1 
Data Management Project 
Part A Normalized Model 
1a First Normal Form 
Table Design 
CREATE TABLE [dbo].[Sales_1NF] 
( 
[SaleId] INT NOT NULL IDENTITY(1,1), 
[DonutId] INT NOT NULL, 
[Name] NVARCHAR(50) NOT NULL, 
[Description] NVARCHAR(250) NULL, 
[UnitPric...
WGU c170 The Most Important SQL Commands(SQL study guide)
Preview 2 out of 8 pages
Add to cartWGU c170 The Most Important SQL Commands(SQL study guide)
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