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Question No : 1
A. Queries on the table will invoke compression.
B. Queries on date range may involve processing skew.
C. Queries on date range will utilize only host processing.
D. Queries on the table will invoke compression on the date columns.
Question No : 2
D. The SYSTEM database
Question No : 3
A. Queries are executed in parallel by the host.
B. Queries must be compressed before they can be executed.
C. Queries are compiled into snippets and executed in parallel by the S-Blades.
D. Queries must be uncompressed by the user and executed in parallel by the host.
E. A query is compiled into a snippet which is executed across all available S-Blades.
Question No : 4
Two users within this resource group each execute 1 job at the same time, which statement is correct?
A. Each job gets 25% and both run at the same time.
B. Each job gets 50% but only one job runs at a time.
C. Each job gets 50% and both run at the same time.
D. You cannot set the job maximum per resource group.
Question No : 5
A. Create an nzcron event.
B. nzstop/nzstart the database.
C. Stop and start the appliance.
D. Add entry to active host and standby host.
Question No : 6
A. One fan fails.
B. One disk fails.
C. Active host fails.
D. One power supply fails.
Question No : 7
A. The runaway query event was enabled.
B. The pg.log file was configured for two minutes.
C. The runaway query event was configured for two minutes.
D. The nzsystem command was used to set the QUERYTIMEOUT to two minutes.
E. The CREATE USER command was used to set the QUERYTIMEOUT to two minutes.
Question No : 8
Question No : 9
A. If there are any materialized views on the table TableA.
B. If there are any active selects running against the table TableA.
C. If there are any active nzloads running against the table TableA.
D. If there are any active updates running against the table TableA.
Question No : 10
A. Back up pg.log files.
B. Back up TEMP tables.
C. Back up host data (catalog metadata).
D. Back up the data using the specified number of streams.
Question No : 11
Question No : 12
A. Low table skew negatively impacts performance.
B. High table skew negatively impacts performance.
C. Low table skew negatively impacts data compression.
D. Deleted rows consume disk space until they are freed.
Question No : 13
How can you view the query plan without executing the query?
A. Use explain.
B. Use statistics.
C. Use pg.log file.
D. Set show_plan = true;
Question No : 14
A. column name and data type.
B. column name, data type and primary key.
C. column name, data type and default constraint.
D. column name, data type and distribute on clause.
Question No : 15
A. Temperature values on S-blade.
B. Status of the host attached storage.
C. Power supply status for each frame.
D. Resource group utilization and history.