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Q71. Given the SQL statement: CREATE ALIAS total_sales FOR sales Which statement is valid?
A. SALES can be the name of a schema.
B. SALES can be the name of a package.
C. SALES can be the name of an existing alias.
D. SALES can be the name of a declared global temporary table.
Answer: C
Explanation:
Q72. Which command will delete all rows from a table without generating log records?
A. TRIM
B. DROP
C. DELETE
D. TRUNCATE
Answer: D
Explanation:
Q73. Which product replaced the Control Center used in versions prior to DB2 v10?
A. IBM Data Studio
B. IBM Administrator
C. IBM Data Manager
D. IBM Command Center
Answer: A
Explanation:
Q74. Which database object provides an alternative way of describing data that exists in one or more base tables?
A. Alias
B. View
C. Index
D. Sequence
Answer: B
Explanation:
Q75. Which product is used to customize execution environments for the purpose of controlling system resources so that one department or service class does not overwhelm the system?
A. pureScale
B. Workload manager
C. Data partitioning feature
D. Self-tuning memory manager
Answer: B
Explanation:
Q76. User USER1 wants to store part numbers and part descriptions in a table named PARTS; user USER1 also wants to ensure that any comparisons of part descriptions that are made will be done so in binary, regardless of the database collating sequence used. Which statement should user USER1 execute to create the desired table?
A. CREATE TABLE parts
(part_no INTEGER,
desc CLOB))
B. CREATE TABLE parts
(part_no INTEGER,
desc VARCHAR(200))
C. CREATE TABLE parts
(part_no INTEGER,
desc CLOB FOR BIT DATA))
D. CREATE TABLE parts
(part_no INTEGER,
desc VARCHAR(200) FOR BIT DATA)
Answer: D
Explanation:
Q77. If a table named MY_TAB contains 100 rows and the following statement is executed:
How many rows will be updated?
A. 0
B. 1
C. 10
D. 99
Answer: C
Explanation:
Q78. 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:
Q79. User USER1 wants to retrieve records from a table named EMPLOYEE that satisfy at least one of the following criteria:
-The employee's hire date (HIREDATE) is before 1999 and the employee's salary (SALARY) is less than $40,000.00 a year. -The employee has attended university
Which SQL statement will accomplish this?
A. SELECT * FROM employee
WHERE (hiredate < '1999-01-01' AND salary < 40000)
OR (education = 'University')
B. SELECT * FROM employee
WHERE (hiredate < '1999-01-01') OR (salary < 40000)
OR (education = 'University')
C. SELECT * FROM employee
WHERE (hiredate < '1999-01-01' OR (salary < 40000
AND (education = 'University')
D. SELECT * FROM employee
WHERE (hiredate < '1999-01-01' AND salary < 40000
AND (education = 'University')
Answer: A
Explanation:
Q80. Which DB2 object limits the user's ability to retrieve data from a table by defining a SQL statement in the object?
A. View
B. Index
C. Trigger
D. Check constraint
Answer: A
Explanation: