Queries Question and answers rated A+ 2024 Pre-Assessment Studying for OA
San Francisco, CA 94110, USA
How many attributes are present in the address fragment? - correct answer 4.
Each entity is considered an attribute.
-San Francisco
-CA
-94110
-USA
The Package table has the ...
Queries
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:
Add a Producer column with VARCHAR data type (max 50 chars).
ALTER TABLE Movie ADD Producer VARCHAR(50);
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:
Remove the Genre column.
ALTER TABLE Movie DROP COLUMN Genre;
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:
Change the Year column's name to ReleaseYear, and change the data type to
SMALLINT.
ALTER TABLE Movie CHANGE COLUMN Year ReleaseYear SMALLINT;
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:
- Add a Producer column with VARCHAR data type (max 50 chars).
, - Remove the Genre column.
- Change the Year column's name to ReleaseYear, and change the data type
to SMALLINT.
ALTER TABLE Movie ADD Producer VARCHAR(50);
ALTER TABLE Movie DROP COLUMN Genre;
ALTER TABLE Movie CHANGE COLUMN Year ReleaseYear SMALLINT;
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 BirthDate
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