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

试卷相关题目

• 1Which 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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• 2Which object is a stored procedure defined into、

  A.Table

  B.Schema

  C.Package

  D.Database

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• 3Which clause should be included in a ALTER TABLE statement to update a table definition with a new column、

  A.ADD COLUMN

  B.ALTER COLUMN

  C.APPEND COLUMN

  D.RENAME COLUMN

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• 4When is it appropriate to use a sequence、

  A.When you want to control the order in which triggers are fired.

  B.When you want to control the order in which stored procedures can be invoked.

  C.When you want to automatically generate a numeric value that is not tied to any specific column or table.

  D.B. When you want to control the order in which stored procedures can be invoked.C. When you want to automatically generate a numeric value that is not tied to any specific column or tabl

  E.D. When you want to automatically generate a numeric value for each row that is added to a specific table.

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• 5Which DB2 object can be used to improve the execution performance of qualified SELECT statements、

  A.Trigger

  B.SQL Procedure

  C.Sequence Object

  D.Materialized Query Table

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• 6You 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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• 7Which 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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• 8What 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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• 9Which 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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• 10When 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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