Online Access Free HP2-N36 Practice Test

What are the disadvantages of using delete vectors to identify records marked for deletion? (Select two.)

• A.Delete vectors rewrites files, causing additional overhead.
• B.Delete vectors are stored in a different location, minimizing storage impact.
• C.Delete vectors must be maintained forever.
• D.Delete vectors must be recognized during the query process to remove records marked for deletion from the result set, slowing down the processing of a query.
• E.Delete vectors do not instantly reclaim space used by deleted records.

How are records marked for deletion?

• A.Vertica rewrites the files that contained the deleted records, ignoring records to be deleted.
• B.Vertica deletes the records from the original source files.
• C.Vertica removes the file that stores the deleted data.
• D.Vertica creates a delete vector, Identifying records to be deleted.

What are the benefits of ordenng data in projection design? (Select two.)

• A.It enables segmentation of data.
• B.It enables efficient sharing of data between similarly-ordered projections.
• C.It enables partitioning of data.
• D.It enables optimum encoding.
• E., It enables efficient application of query predicates.

What are the standard clauses in an analytics query?

• A.It includes a PARTITION clause, with required over_clause, order_clause, and frame_clause.
• B.It includes an OVER clause, with required partition_clause, order_clause, and frame_clause.
• C.It includes an OVER clause, with optional partition_clause, order_clause, and frame_clause.
• D.It includes a PARTITION clause, with optional over_clause, order_clause, and frame_clause.

During Vertica installation, how do you install onto multiple nodes of a cluster?

• A.You must install the application individually on each node
• B.each node,
• C.Run the installation script from the Console machine once per node.
• D.Pass the lP address or node names as part of the -s argument, and it will install the application on
• E.Pass the IP addresses or node names to spread and it will install the application on each node.