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【单选题】

A bitmap join index is defined as（）.

A、An index used to join two bitmap indexes on a table.

B、A bitmap index created for the join of two or more tables.

C、A bitmap index created on the join of two or more indexes.

D、A bitmap index created on the join of two or more indexed-organized tables.

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更多“A bitmap join index is defined as（）.”相关的问题
第1题
[单选题] Why does performance degrade when many UPDATE， INSERT， or DELETE statements are issued on a tablethat has an associated Bitmap index（）

A、The DML operations re-create the Bitmap index blocks.  B、The Bitmap index is rebuilt automatically after a DML operation.  C、The smallest amount of a bitmap that can be locked is a bitmap segment.  D、Additional time is taken to remove NULL values from the Bitmap index after a DML operation.  

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第2题
[多选题] Automatic PGA Memory Management eliminates the need to manually configure which of the following initialization parameters？（） 

A、 SORT_AREA_SIZE  B、 HASH_AREA_SIZE  C、 BITMAP_MERGE_AREA_SIZE  D、 CREATE_BITMAP_AREA_SIZE  E、 PGA_AGGREGATE_TARGET  

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第3题
[单选题] You are the administrator of your company’s network. You configure a local group named accounting to have a mandatory user profile. The mandatory profile has been configured to include a custom logo that was saved with 16-bit color and 1025x768 resolution. Some of the Windows 2000 Professional computers in the accounting department have standard VGA video adapters， and others have SVGA video adapters. Several users report that when they log on to certain Windows 2000 Professional computers， the custom bitmap become

A、Configure a roaming user profile for each user in the accounting group  B、Configure a separate user profile for each user in the accounting Group.   C、Change the custom bitmap to a 16-color bitmap that has 640x480 resolution, and reconfigure the mandatory user profile   D、Reinstall the appropriate WDM-compliant drivers for the computers that do not display the custom bitmap correctly.   

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第4题
[] You are the administrator of your company’s network. You configure a local group named accounting to have a mandatory user profile. The mandatory profile has been configured to include a custom logo that was saved with 16-bit color and 1025x768 resolution. Some of the Windows 2000 Professional computers in the accounting department have standard VGA video adapters， and others have SVGA video adapters. Several users report that when they log on to certain Windows 2000 Professional computers， the custom bitmap become

A、A.Configure a roaming user profile for each user in the accounting group  B、B.Configure a separate user profile for each user in the accounting Group  C、C.Change the custom bitmap to a 16-color bitmap that has 640x480 resolution, and reconfigure  the mandatory user profile  D、D.Reinstall the appropriate WDM-compliant drivers for the computers that do not display the  custom bitmap correctly.  

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第5题
[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? （）

A、The report will not execute.   B、The report will only accept destination type of previewer or printer.   C、Printer codes will be ignored.   D、Only the printer codes that apply will be processes.  

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第6题
[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？（）

A、A primary key must have been created.  B、A mapping table must have been created.  C、An overflow tablespace must have been specified.  D、The PCTTHRESHOLD option must have been specified.  

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第7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？（） 

A、A.A primary key must have been created.  B、B.A mapping table must have been created.  C、C.An overflow tablespace must have been specified.  D、D.The PCTTHRESHOLD option must have been specified.  

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第8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？（）

A、A. A primary key must have been created.  B、B. A mapping table must have been created.  C、C. An overflow tablespace must have been specified.  D、D. The PCTTHRESHOLD option must have been specified.  

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第9题
[单选题] The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the query performance？（）

A、B-tree  B、bitmap  C、reverse key  D、function based  

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