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.
第1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2题:
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3题:
You need to dump the data from the master server and import it into a new slave server.Which mysqldump option can be used when dumping data from the master server in order to include the master server‘s binary log information?()
A.Include-master-info
B.Master-binlog
C.Include-log-file
D.Master-data
第4题:
Which of the following is the correct configuration for a RAID 5 array?()
第5题:
第6题:
A.Backup and recovery
B.Transactions
C.Security
D.Queries
第7题:
第8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9题:
Which two statements are true regarding the USING clause in table joins?()
第10题:
For which of the following is a data warehouse optimized?()