IBM Information Management P2090-047시험을 통과하여 자격증을 취득하여 IT 업계에서의 자신의 자리를 지키려면 많은 노력이 필요합니다. 회사일도 바쁜데 시험공부까지 스트레스가 장난아니게 싸이고 몸도 많이 상하겠죠. Pass4Test는 여러분을 위해 최신 IBM Information Management P2090-047시험에 대비한 IBM Information Management P2090-047덤프를 발췌하였습니다. IBM Information Management P2090-047덤프는 IBM Information Management P2090-047시험의 기출문제와 예상문제가 묶어져 있어 시험적중율이 굉장히 높습니다. 쉽게 시험을 통과하려면 Pass4Test의 IBM Information Management P2090-047덤프를 추천합니다.
NO.1 What is required to troubleshoot a query?
A. nzevents and the pg.log.
B. nzsql and the ODBC config.
C. nzinventory and the dbos.log.
D. nzdumpschema and the execution plan.
Answer: D
NO.2 To create a database table, at a minimum, what must be specified?
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.
Answer: A
NO.3 TableA is currently being accessed in a number of long running queries. Which of the following
operations is NOT blocked, thus allowing the operation to immediately proceed?
A. DROP TABLE TableA
B. ALTER TABLE TableA
C. TRUNCATE TABLE TableA
D. GRANT SELECT ON TableA TO UserA
Answer: D
NO.4 The PureData System for Analytics implements which level of transaction isolation?
A. Serializable
B. Committed read
C. Repeatable read
D. Uncommitted read
Answer: A
NO.5 You have created a group GroupA with JOB MAXIMUM of 4, which statement is true?
A. No more than 4 users can be assigned to GroupA.
B. If users in GroupA submit more than 4 queries they will fail.
C. If users in GroupA submit more than 4 queries, then they will queue in order.
D. The job maximum cannot be less than the default concurrent query limit of 48.
Answer: C
NO.6 Using a date column as a distribution key may distribute rows evenly across dataslices, why is
this a poor choice of a distribution key?
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.
Answer: B
NO.7 Why is generating statistics on a table important to query performance?
A. The table statistics are used to facilitate disk space reclamation of deleted rows.
B. The optimizer uses statistics to determine the optimal execution plan for queries.
C. The Zone Map information cross references the table statistics for each column to avoid scanning.
D. The Field Programmable Gate Array (FPGA) utilizes the statistics to identify which row/columns to
filter.
Answer: B
NO.8 Which statement is true regarding the compress engine?
A. Data automatically gets compressed.
B. Columns to be compressed must be defined.
C. The nzcompress utility must be run to compress the table.
D. The nzcompress utility must be run to compress the database.
Answer: A