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Oracle Database Administration I Sample Questions (Q37-Q42):

NEW QUESTION # 37
You execute this command:

Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBStablespace? (Choose two.)

A. It will always have a 32K blocksize
B. Additional data files may not be added
C. AUTOEXTEND is possible for the datafile
D. It must be bigger than the largest SMALLFILE tablespace
E. It will be a dictionary-managed tablespace by default

Answer: C,D

NEW QUESTION # 38
Which statement is true about aggregate functions?

A. The MAX and MIN functions can be used on columns with character data types
B. Aggregate functions can be nested to any number of levels
C. Aggregate functions can be used in any clause of a SELECT statement
D. The AVG function implicitly converts NULLS to zero

Answer: B

NEW QUESTION # 39
Examine this SQL statement:
SELECT cust_id, cust_last_name "Last Name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully. (Choose three.)

A. ORDER BY "CUST_NO"
B. ORDER BY 2, 1
C. ORDER BY "Last Name"
D. ORDER BY 2, cust_id
E. ORDER BY CUST_NO

Answer: B,D,E

NEW QUESTION # 40
Which two are true about shrinking a segment online? (Choose two.)

A. To shrink a table it must have a PRIMARY KEY constraint
B. To shrink a table it must have row movement enabled
C. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
E. It always eliminates all migrated rows if any exist in the table
F. To shrink a table it must have a UNIQUE KEY constraint

Answer: A,B

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm

NEW QUESTION # 41
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.)

A. Free space is managed using freelists
B. It uses the database default blocksize
C. It must be smaller than the smallest BIGFILE tablespace
D. Any data files added to the tablespace must have a size of 5 gigabytes
E. It is a locally managed tablespace

Answer: B,E

NEW QUESTION # 42
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