Pregunta 1
Pregunta
You can join tables by using a condition in the ____ clause.
Pregunta 2
Pregunta
Which of the following joins compares the tables in the FROM clause and lists only those rows that satisfy the condition in the WHERE clause?
Respuesta
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inner
-
outer
-
nested
-
product
Pregunta 3
Pregunta
In a(n) ____ join, all rows from both tables are included regardless of whether they match rows from the other table.
Respuesta
-
normal
-
inner
-
full outer
-
combined
Pregunta 4
Pregunta
In a ____, all rows from the table on the left (the table listed first in the query) will be included regardless of whether they match rows from the table on the right (the table listed second in the query).
Respuesta
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left inner join
-
left outer join
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right inner join
-
right outer join
Pregunta 5
Pregunta
In a ____, all rows from the table on the right will be included regardless of whether they match rows from the table on the left.
Respuesta
-
left inner join
-
left outer join
-
right outer join
-
right inner join
Pregunta 6
Pregunta
The CREATE VIEW command includes the words CREATE VIEW, followed by the name of the view, the word ____, and then a query.
Pregunta 7
Pregunta
The main mechanism for providing access to a database is the ____ command.
Respuesta
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PERMIT
-
ACCESS
-
GRANT
-
REVOKE
Pregunta 8
Pregunta
The correct command to allow user Thompson to delete rows in the CUSTOMER table would be:
GRANT ____ ON CUSTOMER TO THOMPSON.
Respuesta
-
DROP
-
REMOVE
-
UPDATE
-
DELETE
Pregunta 9
Pregunta
The privilege ____ can be granted to retrieve data.
Respuesta
-
SELECT
-
UPDATE
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RETRIEVE
-
READ
Pregunta 10
Pregunta
When you specify a foreign key, the table referenced by the foreign key is the ____.
Respuesta
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super
-
sibling
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parent
-
child
Pregunta 11
Pregunta
The privilege ____ can be granted to change data.
Respuesta
-
WRITE
-
UPDATE
-
ALTER
-
READ AND WRITE
Pregunta 12
Pregunta
The privilege ____ can be granted to change the table structure.
Respuesta
-
WRITE
-
UPDATE
-
ALTER
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MODIFY
Pregunta 13
Pregunta
To create a stored procedure in Oracle, use the ____ command.
Respuesta
-
CREATE ROUTINE
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CREATE SCRIPT
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CREATE PROCEDURE
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CREATE EXECUTABLE
Pregunta 14
Pregunta
A(n) ____ is a procedure that is executed automatically in response to an associated database operation.
Respuesta
-
cursor
-
trigger
-
waypoint
-
fetchpoint