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

试卷相关题目

• 1What are two valid objects that can be created in DB2、 (Choose two.)

  A.Tree

  B.Node

  C.Trigger

  D.Contexts

  E.Sequence

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• 2Which DB2 object is used to provide a logical grouping of other database objects、

  A.Alias

  B.Index

  C.Schema

  D.Collection

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• 3You have a business need to query DB2 10 and DB2 9 databases and you want to write an application that can run on most platforms unchanged. Which interface would you use to achieve your goal、

  A.CLI

  B.XML

  C.JDBC

  D.RUBY

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• 4What functionality allows users to perform a UNION operation between a DB2 table and an Oracle view、

  A.Oracle connect

  B.Trusted context

  C.Oracle federation

  D.Distributed request

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• 5Which action needs to be performed in order to complete the definition of an application-period temporal table、

  A.A transaction-start-id column must be defined for the table.

  B.A history table must be defined and associated with the base table.

  C.A BUSINESS_TIME period must be specified in a CREATE or ALTER of the table.

  D.A unique index must be created that prevents overlapping of the BUSINESS_TIME period of the tabl

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• 6When 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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• 7Which 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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• 8What 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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• 9What 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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• 10What is the purpose of the Query Tuner、

  A.To automatically capture and stop rogue queries.

  B.To provide recommendations and analysis for tuning a single query.

  C.To provide recommendations and analysis for tuning up to 100 queries.

  D.To recommend indexes and to guide DBAs through the process of creating new indexes.

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