首页计算机考试Oracle认证
(单选题)

A bitmap join index is defined as().

AAn index used to join two bitmap indexes on a table.

BA bitmap index created for the join of two or more tables.

CA bitmap index created on the join of two or more indexes.

DA bitmap index created on the join of two or more indexed-organized tables.

正确答案

来源:www.examk.com

答案解析

相似试题

  • (多选题)

    Which two statements are true about a bitmap index? ()

    答案解析

  • (单选题)

    You creating a report that will run in both character mode and bitmapped environments. You include some printer codes in your report. What will happen when you run the report in bitmapped mode? ()

    答案解析

  • (单选题)

    Why does performance degrade when many UPDATE, INSERT, or DELETE statements are issued on a tablethat has an associated Bitmap index()

    答案解析

  • (多选题)

    Using a bitmap structure to manage database object space has several benefits over using freelist structures. Which three are benefits of managing space using automatic-segment-space managed objects?()

    答案解析

  • (单选题)

    While designing your database, you have created the EMPLOYEEStable as an index-organized (IOT). You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()

    答案解析

  • (单选题)

    While designing your database, you have created the EMPLOYEES table as an index-organized table (IOT). You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index?() 

    答案解析

  • (单选题)

    While designing your database, you have created the EMPLOYEES table as an index/x7forganized table (IOT). You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()

    答案解析

  • (单选题)

    Which is a restriction on a list partitioned table?()

    答案解析

  • (多选题)

    Which  statements are true regarding a tablespace()

    答案解析

快考试在线搜题