Exam A
QUESTION 1
Given the DDL shown below:
CREATE TABLE tab1 (coll SMALLINT );
CREATE VIEW v1 AS SELECT coll FROMtabl WHERE coll > 25 ; CREATE VIEW V2 AS
SELECT COI1 FROM v1 WITH CASCADED CHECK OPTION
CREATE VIEW v3 AS SELECT coll FROM v2 WHERE coll < 100 ; Which statement will fail?
A. INSERT INTO v2 VALUES (35)
B. INSERT INTO v1 VALUES (5)
C. INSERT INTO v3 VALUES (25)
D. INSERT INTO v3 VALUES (200)
Answer: C
Section: (none)
Explanation/Reference:
QUESTION 2
Click the Exhibit button
Given the INSERT statements shown below:
INSERT INTO applicant VALUES (1 ,'M' 54);
INSERT INTO applicant VALUES (2, 'F', 38);
INSERT INTO applicant VALUES (3, 'M', 21);
INSERT INTO applicant VALUES (4, 'F', 91);
INSERT INTO applicant VALUES (5, 'C', 50);
INSERT INTO applicant VALUES (6, 'C', 70);
INSERT INTO applicant VALUES (7, 'C', 95);
How many rows will be successfully inserted?
A. 1
B. 3
C. 5
D. 7
Answer: C
Section: (none)
Explanation/Reference:
QUESTION 3
Which statement is correct about informational constraints?
A. An informational constraint can be used by the SQL compiler to improve the access
to data and query performance.
B. The database manager uses an informational constraint to enforce the uniqueness
