A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ). Which store subsets of data from a warehouse.
A.OLTPs
B.transactions
C.data sarts
D.OLAPs
第1题:
● Business intelligence (BI) is the integrated application of data warehouse, data mining and (73).
(73)
A.OLAP
B.OLTP
C.MRPII
D.CMS.
第2题:
How can data quality be quantified in the data warehouse?
如何来量化数据仓库中的数据质量?
第3题:
A.将两个Data Set中的数据和架构合并到一个Data Set中
B.将两个Data Table中的行合并到一个Data Table中
C.向数据源提交修改
D.从数据源提取数据
第4题:
()is a collection of data sets,which is so large and complet that is because difficult to process using on hand database management tools or traditional data peocessing applications
A.big data
B.cluster
C.parallel computing
D.data warehouse
第5题:
A. A two disk set with one data strip
B. A three disk set with two data strips and a parity strip
C. A two disk set with two data strips
D. A four disk set with two sets of data strips
第6题:
In data communication, data link is those parts of two data terminal equipments that are controlled by a protocol along with the(71) data circuit, which together enable data(72). So-called protocol means, in short, a set of rules that determines the behavior. of functional units in achieving communication.Data circuit, however, consists of a pair of(73) transmission channels that provides a means of two-way data transmission. Between data switching exchanges, the data circuit may or may not include data circuit-terminating equipment (DCE), depending on the type of(74) used at the data switching exchange. Between a data station and a data switching exchange or data concentrator, the data circuit includes the DCE at the data station end, and may include equipment(75) to a DCE at the data switching exchange or dam concentrator location.
A.handshaking
B.interconnecting
C.linkage
D.joining
第7题:
Business intelligence (BI) is the integrated application of data warehouse, data mining and (73).
A.OLAP
B.OLTP
C.MRPII
D.CMS
第8题:
A Windows Communication Foundation (WCF) application uses a data contract that has several data members. You need the application to throw a SerializationException if any of the data members are not present when a serialized instance of the data contract is deserialized.What should you do?()
A. Add the KnownType attribute to the data contract. Set a default value in each of the data member declarations.
B. Add the KnownType attribute to the data contract. Set the Order property of each data member to unique integer value.
C. Set the EmitDefaultValue property of each data member to false.
D. Set the lsRequired property of each data member to true.
第9题:
Business intelligence (BI) is the integrated application of data warehouse data mining and ______
A.OLAP
B.OLTP
C.MRPII
D.CMS
第10题: