P2090-050 Latest Exam Braindumps
Question 2: Which is NOT a way to check if the database is online?A. nzstate
B. cat /proc/database
C. nzsystem showState
D. nzsql -c "select * from _v_system_info;"
Correct Answer: B
7. Given a plan ID, how would you obtain the query execution plan? (Choose two.)
A. Turn ODBC tracing ON.
B. Issue "SELECT * FROM _V_SESSION;"
C. Go to the query history within the Windows NzAdmin GUI tool.
D. Run EXECUTION PLAN before the query has been submitted.
E. Issue "SHOW PLANFILE <nn>;" after the query has been submitted.
Correct Answer: C,E
8. What is a characteristic of a column that is based on the TIMESTAMP datatype?
A. It includes a date portion.
B. It includes a timezone offset.
C. The value is reevaluated each time the row is selected.
D. The value is initially assigned when the row is first created.
Correct Answer: A
9. Which option does NOT trigger a HardwareNeedsAttention event?
A. A power supply has failed.
B. A switch has beenrebooted.
C. A SAS cable fails or is disconnected.
D. A chassis or fabric switch port is in a down state for longer than the defined threshold.
Correct Answer: A
10. Which procedural logic is NOT supported by NZPLSQL?
A. Scrollable Cursors
B. Looping (while, for)
C. Conditionals (if/else)
D. Returning a scalar result or a result set
Correct Answer: A
Topic 2, Volume B
11. Which component failure does NOT trigger a HardwareServiceRequested event?
A. Fan
B. Disk
C. Host
D. S-Blade
Correct Answer: C
12. Which statement regarding temporary tables is true?
A. They are limited to 1 terabyte in size.
B. They may include a DISTRIBUTE ON clause.
C. They are limited to 16per user per database.
D. They will be included in any nzbackup of the database.
Correct Answer: B
13. When a poor choice of distribution key is made, what is the impact to storage allocation?
A. Data is likely to negatively affect views.
B. Data is likely to negatively affect compression.
C. Data is likely to generate duplicate sequence values.
D. Data is likely to be unevenly spread across the system.
Correct Answer: D
14. What is nzconvert usedfor?
A. To convert compressed external tables into ASCII text.
B. To convert between character encodings before loading data.
C. To translate stored procedures into NZPLSQL compatible syntax.
D. To upgrade/downgrade the database to a different software version.
Correct Answer: B
15. Which statement is true?
A. All user space is available for database expansion.
B. Each database is assigned it's own section of disk space.
C. When creating the database you can specify whichdisks to use.
D. When you create a database you can set the maximum space it is allowed to use.
Correct Answer: A
