Exam Code: A2090-610
Exam Name: Assessment: DB2 10.1 Fundamentals - Assessment
Updated: Nov 17, 2024
Q&As: 138
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What isolation level prevents dirty reads, nonrepeatable reads, and phantoms?
A. Read stability (RS)
B. Cursor stability (CS)
C. Repeatable read (RR)
D. Uncommitted read (UR)
Which SQL statement will give user USER1 the ability to assign a comment to a sequence named MYSEQ?
A. GRANT ALTER ON SEQUENCE myseq TO user1
B. GRANT USAGE ON SEQUENCE myseq TO user1
C. GRANT SELECT ON SEQUENCE myseq TO user1
D. GRANT COMMENT ON SEQUENCE myseq TO user1
Which two DB2 objects can a view be derived from? (Choose two.)
A. View
B. Index
C. Table
D. Trigger
E. Procedure
User USER1 wants to define a required relationship between two tables named TAB1 and TAB2 in such a way that whenever a record is deleted from table TAB1, any related records are deleted from table TAB2. What must user USER1 do to accomplish this?
A. 1) Create a primary key on table TAB1;2) Create a foreign key on table TAB2 that references the primary key on table TAB1 and adheres to the ON DELETE CASCADE rule.
B. 1) Create a primary key on table TAB2;2) Create a foreign key on table TAB1 that references the primary key on table TAB2 and adheres to the ON DELETE CASCADE rule.
C. 1) Create a primary key on table TAB1;2) Create a foreign key on table TAB2 that references the primary key on table TAB1 and adheres to the ON DELETE RESTRICT rule.
D. 1) Create a primary key on table TAB2;2) Create a foreign key on table TAB1 that references the primary key on table TAB2 and adheres to the ON DELETE RESTRICT rule.
What isolation level prevents dirty reads, nonrepeatable reads, and phantoms?
A. Read stability (RS)
B. Cursor stability (CS)
C. Repeatable read (RR)
D. Uncommitted read (UR)
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