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Q61. An SQL function named DEPT_INFO was created as follows:
What is the correct way to use this function in a query?
A. SELECT dept_info(dept_id, dept_name)
B. SELECT dept_id, dept_name FROM dept_info()
C. SELECT TABLE dept_id, dept_name FROM dept_info()
D. SELECT dept_id, dept_name FROM TABLE(dept_info()) AS results
Answer: D
Explanation:
Q62. Which two DB2 objects can a view be derived from? (Choose two.)
A. View
B. Index
C. Table
D. Trigger
E. Procedure
Answer: A,C
Explanation:
Q63. Which method for restricting data access relies on a SQL search condition that describes what set of rows a user has access to?
A. Authentication
B. Authorities and privileges
C. Label-based access control
D. Row and column access control
Answer: D
Explanation:
Q64. 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)
Answer: C
Explanation:
Q65. Which command is used to back out a subset of database changes that have been made within a unit of work?
A. COMMIT
B. ROLLBACK
C. COMMIT TO SAVEPOINT
D. ROLLBACK TO SAVEPOINT
Answer: D
Explanation:
Q66. Which data type should be used to store data in a column that represents money and accurately returns a two position scale?
A. BIGINT
B. BINARY
C. DOUBLE
D. DECIMAL
Answer: D
Explanation:
Q67. Which action needs to be performed in order to complete the definition of an application-period temporal table?
A. A transaction-start-id column must be defined for the table.
B. A history table must be defined and associated with the base table.
C. A BUSINESS_TIME period must be specified in a CREATE or ALTER of the table.
D. A unique index must be created that prevents overlapping of the BUSINESS_TIME period of the table.
Answer: C
Explanation:
Q68. Which statement about foreign keys is true?
A. A table can have only one foreign key.
B. Foreign keys can only be defined when a table is created.
C. A foreign key can be defined on a column or a set of columns in a table.
D. Foreign keys are enforced only during the execution of INSERT statements.
Answer: C
Explanation:
Q69. What are two valid objects that can be created in DB2? (Choose two.)
A. Tree
B. Node
C. Trigger
D. Contexts
E. Sequence
Answer: C,E
Explanation:
Q70. Which tool allows users to connect to a DB2 database using a wizard?
A. Control Center
B. IBM Data Studio
C. Universal Connection Expert
D. DB2 Connection Pool Manager
Answer: B
Explanation: