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WGU - D427 Data Management - Applications ZyBooks Labs 7 and 8 Set Questions And All Correct Answers. $10.09   Add to cart

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WGU - D427 Data Management - Applications ZyBooks Labs 7 and 8 Set Questions And All Correct Answers.

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7.1 LAB - Alter Movie table The Movie table has the following columns: ID - positive integer Title - variable-length string Genre - variable-length string RatingCode - variable-length string Year - integer Write ALTER statements to make the following modifications to the Movie table: 1....

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  • October 4, 2024
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WGU - D427 Data Management -
Applications ZyBooks Labs 7 and 8 Set
Questions And All Correct Answers.
7.1 LAB - Alter Movie table



The Movie table has the following columns:

ID - positive integer

Title - variable-length string

Genre - variable-length string

RatingCode - variable-length string

Year - integer



Write ALTER statements to make the following modifications to the Movie table:

1. Add a Producer column with VARCHAR data type (max 50 chars).

2. Remove the Genre column.

3. Change the Year column's name to ReleaseYear, and change the data type to SMALLINT. - Answer
ALTER TABLE Movie

ADD Producer VARCHAR(50);



ALTER TABLE Movie

DROP Genre;



ALTER TABLE Movie

CHANGE Year ReleaseYear SMALLINT;



7.2 LAB - Insert rows into Horse table

,The Horse table has the following columns:

ID - integer, auto increment, primary key

RegisteredName - variable-length string

Breed - variable-length string, must be one of the following: Egyptian Arab, Holsteiner, Quarter Horse,
Paint, Saddlebred

Height - decimal number, must be between 10.0 and 20.0

BirthDate - date, must be on or after Jan 1, 2015



Insert the following data into the Horse table:

RegisteredName Breed Height - Answer INSERT INTO Horse (RegisteredName, Breed, Height, BirthDate)

VALUES ('Babe', 'Quarter Horse', 15.3, '2015-02-10');



INSERT INTO Horse (RegisteredName, Breed, Height, BirthDate)

VALUES ('Independence', 'Holsteiner', 16.0, '2017-03-13');



INSERT INTO Horse (RegisteredName, Breed, Height, BirthDate)

VALUES ('Ellie', 'Saddlebred', 15.0, '2016-12-22');



INSERT INTO Horse (Breed, Height, BirthDate)

VALUES ('Egyptian Arab', 14.9, '2019-10-12');



7.3 LAB - Update rows in Horse table



The Horse table has the following columns:

ID - integer, auto increment, primary key

RegisteredName - variable-length string

Breed - variable-length string, must be one of the following: Egyptian Arab, Holsteiner, Quarter Horse,
Paint, Saddlebred

Height - decimal number, must be ≥ 10.0 and ≤ 20.0

, BirthDate - date, must be ≥ Jan 1, 2015



Make the following updates:

1.- Change the height to 15.6 for horse with ID 2.

2.- Change the registered name to Lady - Answer UPDATE Horse

SET Height = 15.6

WHERE ID = 2;



UPDATE Horse

SET RegisteredName = 'Lady Luck',

BirthDate = '2015-05-01'

WHERE ID = 4;



UPDATE Horse

SET Breed = NULL

WHERE BirthDate >= '2016-12-22';



7.4 LAB - Delete rows from Horse table



The Horse table has the following columns:

ID - integer, auto increment, primary key

RegisteredName - variable-length string

Breed - variable-length string

Height - decimal number

BirthDate - date



Delete the following rows:

1.- Horse with ID 5.

2.- All horses with breed Holsteiner or Paint.

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