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Oracle Database Administration I Sample Questions (Q55-Q60):
NEW QUESTION # 55
Which two statements are true about single row functions? (Choose two.)
- A. CONCAT : can be used to combine any number of values
- B. CEIL : can be used for positive and negative numbers
- C. MOD : returns the quotient of a division operation
- D. TRUNC : can be used with NUMBER and DATE values
- E. FLOOR : returns the smallest integer greater than or equal to a specified number
Answer: B,D
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Single-Row-Functions.html#GUID-B93F789D-B486-49FF-B0CD-0C6181C5D85C
NEW QUESTION # 56
Examine this command:
Which two statements are true? (Choose two.)
- A. DML may be performed on tables with one or more extents in this data file during the execution of this command.
- B. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
- C. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
- D. The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.
- E. The file is renamed and stored in the same location
Answer: A,C
NEW QUESTION # 57
Which three are types of segments in an Oracle Database? (Choose three.)
- A. tables
- B. undo
- C. stored procedures
- D. index
- E. clusters
- F. sequences
Answer: A,D,E
Explanation:
http://www.adp-gmbh.ch/ora/concepts/segments.html
NEW QUESTION # 58
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. It must be bigger than the largest SMALLFILE tablespace
- C. AUTOEXTEND is possible for the datafile
- D. Additional data files may not be added
- E. It will be a dictionary-managed tablespace by default
Answer: B,C
NEW QUESTION # 59
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
- A. The value is changed only in the PFILE and takes effect at the next instance startup
- B. The value is changed for the current instance and in the PFILE
- C. It fails because the SCOPE clause is missing
- D. Change is applied to the current instance, but does not persist after instance restart
Answer: D
Explanation:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION # 60
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