WGU - D427 Data Management - Applications ZyBooks Labs 7 and 8 Exam Questions And Answers

WGU
-
D427
Data
Management
-
Applications
ZyBooks
Labs
7
and
8
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.
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
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
UPDATE
Horse
SET
Height
=
15.6
WHERE
ID
=
2;
UPDATE
Horse
SET
RegisteredName
=
'Lady
Luck',
BirthDate
=
'2015-05-01'
WHERE
ID
=
4;
UPDATE
Horse