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Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具，它们是（）
- A、IM、Index to Dental Literature、International Nursing Index
- B、BA、IM、EM
- C、BA、EM、International Nursing Index
- D、BA、Index to Dental Literature、International Nursing Index
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更多 “Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具，它们是（）A、IM、Index to Dental Literature、International Nursing IndexB、BA、IM、EMC、BA、EM、International Nursing IndexD、BA、Index to Dental Literature、International Nursing Index” 相关考题
考题
Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具,它们是( )。
A. BA、IM、EMB. BA、EM、International Nursing IndexC. BA、Index to Dental Literature、International Nursing IndexD. IM、Index to Dental Literature、International Nursing Index
考题
根据SQL标准，要创建唯一索引该使用下面哪种语句?()A CREATE UNIQUE INDEXB CREATE CLUSTER INDEXC CREATE ONLY INDEXD CREATE PRIMARY INDEX
考题
The InnoDB engine has a feature known as clustered indexes.Which three statements are true about clustered indexes as used in InnoDB?()
A.A primary key must exist for creation of a clustered indexB.A clustered index allows fulltext searching within InnoDBC.The first unique index is always used as a clustered index and not a primary keyD.A clustered index provides direct access to a page containing row dataE.If no indexes exist, a hidden clustered index is generated based on row IDsF.A primary key is used as a clustered indexG.A clustered index is a grouping of indexes from different tables into a global index for faster searching
考题
美国科学引文数据库的英文全称是什么？（）A、Biosis Citation IndexB、Science Citation IndexC、Social Sciences Citation IndexD、Arts Humanities Citation Index
考题
Medline数据库收录的书目信息主要来自于：（）A、Index MedicusB、International Nursing IndexC、Index to dental literatureD、Biological Abstracts
考题
检索国外学位论文常用的工具（）。A、《British Theses Retrospective Index》B、《Dissertation Abstracts International》C、《Comprehensive Dissertation Index》D、《Masters Abstracts International》E、《Canadian Theses》F、《Deutshe Bibliographie Hochschulschriften Verzeichnis》
考题
下列哪条不属于MEDLINE收录的索引来源（）A、Index MedicusB、preMEDLINEC、International Nursing IndexD、Index to dental Literature
考题
An index called ORD_CUSTNAME_IX has been created on the CUSTNAME column in the ORDERS table using the following command： SQLCREATE INDEX ord_custname_ix ON orders（custname）； The ORDERS table is frequently queried using the CUSTNAME column in the WHERE clause. You want to check the impact on the performance of the queries if the index is not available. You do not want the index to be dropped or rebuilt to perform this test. Which is the most efficient method of performing this task？（）A、 disabling the indexB、 making the index invisibleC、 making the index unusableD、 using the MONITORING USAGE clause for the index
考题
The InnoDB engine has a feature known as clustered indexes. Which three statements are true about clustered indexes as used in InnoDB?（）A、A primary key must exist for creation of a clustered indexB、A clustered index allows fulltext searching within InnoDBC、The first unique index is always used as a clustered index and not a primary keyD、A clustered index provides direct access to a page containing row dataE、If no indexes exist, a hidden clustered index is generated based on row IDsF、A primary key is used as a clustered indexG、A clustered index is a grouping of indexes from different tables into a global index for faster searching
考题
单选题_____ is awarded the 2013 Nobel Prize in Literature for her work as “master of the modern short story”, and the 2009 Man Booker International Prize for her lifetime body of work.A
Alice MunroB
Helen KellerC
J. K. RowingD
Anne Frank
考题
多选题检索国外学位论文常用的工具（）A《British Theses Retrospective Index》B《Dissertation Abstracts International》C《Comprehensive Dissertation Index》D《Masters Abstracts International》E《Canadian Theses》F《Deutshe Bibliographie Hochschulschriften Verzeichnis》
考题
单选题下列哪条不属于MEDLINE收录的索引来源（）A
Index MedicusB
preMEDLINEC
International Nursing IndexD
Index to dental Literature
考题
单选题Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具，它们是（）。A
BA、IM、EMB
BA、EM、InternationalNursingIndexC
BA、IndextoDentalLiterature、InternationalNursingIndexD
IM、IndextoDentalLiterature、InternationalNursingIndex
考题
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.
考题
多选题Which two statements are true about constraints? （）AThe UNIQUE constraint does not permit a null value for the column.BA UNIQUE index gets created for columns with PRIMARY KEY and UNIQUE constraints.CThe PRIMARY KEY and FOREIGN KEY constraints create a UNIQUE index.DThe NOT NULL constraint ensures that null values are not permitted for the column.
考题
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.
考题
单选题Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具，它们是（）A
IM、Index to Dental Literature、International Nursing IndexB
BA、IM、EMC
BA、EM、International Nursing IndexD
BA、Index to Dental Literature、International Nursing Index
考题
多选题Medline数据库收录的书目信息主要来自于：（）AIndex MedicusBInternational Nursing IndexCIndex to dental literatureDBiological Abstracts
考题
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？（）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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