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QUESTION NO:50
Assuming that conn references a valid and open connection to the database, which code segment will
insert values into the Employees relation?
A. conn.executeUpdate(INSERT INTO Employees VALUES
(1001, \’Carlos Ventura\’, 55000));
B. Statement s = conn.createStatement();
C. addBatch(INSERT INTO Employees VALUES
(1001, \’Carlos Ventura\’, 55000));
D. Statement s = conn.createStatement();
E. executeQuery(INSERT INTO Employees VALUES
(1001, \’Carlos Ventura\’, 55000));
F. Statement s = conn.createStatement();
G. executeUpdate(INSERT INTO Employees VALUES
(1001, \’Carlos Ventura\’, 55000));
Correct Answer: D
QUESTION NO:33
Which of the transaction ACID properties are violated when lost updates occur?
A. Isolation
B. Atomicity
C. Durability
D. Consistency
Correct Answer: C
QUESTION NO:120
A government agency provides driving licenses for various types of motor vehicles. A requirement for a
particular license may be possession of another type of motor vehicle license. The agency is developing a
relational database system. The exhibit shows an Information Engineering diagram for the relation
LICENSES. After the resolution of any anomalies, what would be the correct DBDL description for the
logical data model?
A. LICENSES(lic_id,lic_name, cost, qualifying_lic)
Primary Key lic_id
QUALIFICATIONS(qualification_num, qualifying_lic)
Primary Key qualification_num
Foreign Key qualification_num references Licenses(lic_id)
B. LICENSES(lic_id,lic_name, cost, qualifying_lic)
Primary Key lic_id
Foreign Key qualifying_lic
C. LICENSES(lic_id,lic_name, cost, qualifying_lic)
Primary Key lic_id
QUALIFICATIONS(qualification_num,lic_id,qualifying_lic)
Primary Key qualification_num
D. LICENSES(lic_id,lic_name, cost, qualifying_lic)
Primary Key lic_id
QUALIFICATIONS(qualification_num, lic_id, qualifying_lic)
Primary Key qualification_num
Foreign Key qualifying_lic references Licenses(qualifying_lic)
Correct Answer: D
QUESTION NO:149
To create a view, what are the minimal privileges that a user must have for the relations used to make the
view?
A. GRANT
B. REVOKE
C. SELECT
D. CREATE VIEW
Correct Answer: C
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