What is the purpose of the Query Tuner、

试卷相关题目

• 1What type of large object (LOB) is used to store LOB data together with the formatted rows on data pages, instead of in a separate LOB storage object、

  A.inline

  B.binary

  C.internal

  D.partitioned

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• 2What type of mechanism is a simple token value that is used to refer to a much bigger large object (LOB)、

  A.locator

  B.pointer

  C.address

  D.reference

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• 3Which product is used to customize execution environments for the purpose of controlling system resources so that one department or service class does not overwhelm the system、

  A.pureScale

  B.Workload manager

  C.Data partitioning feature

  D.Self-tuning memory manager

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• 4When an index is created for a table, where is the metadata for that index stored、

  A.In the table definition.

  B.In the system catalog.

  C.In the schema that the index resides in.

  D.In the metadata of the table the index was created for.

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• 5Which type of temporal table can be used to store only time-sensitive data、

  A.Bitemporal

  B.Time-period

  C.System-period

  D.Application-period

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• 6Which tool allows users to connect to a DB2 database using a wizard、

  A.Control Center

  B.IBM Data Studio

  C.Universal Connection Expert

  D.DB2 Connection Pool Manager

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• 7Which two activities indicate the need for a data warehouse、 (Choose two.)

  A.Confirm product inventory.

  B.Monitor product availability.

  C.Summarize sales by region.

  D.Identify patterns for products sold in the last five years.

  E.Associate one or more products with a purchase order.

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• 8What is the primary function of an Online Transaction Processing (OLTP) workload、

  A.To combine data from multiple sources.

  B.To discover hidden relationships in data.

  C.To analyze large amounts of data to find patterns.

  D.To make changes to a small number of records within a single transaction.

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• 9Which isolation level offers the greatest protection of data but provides the least amount of concurrency、

  A.Read Stability (RS)

  B.Cursor Stability (CS)

  C.Repeatable Read (RR)

  D.Uncommitted Read (UR)

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• 10What factor influences lock escalation、

  A.Table size

  B.Buffer space

  C.Number of locks

  D.Available real storage

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