please answer the true or false for the assignment as soon as possible please, t
ID: 3711913 • Letter: P
Question
please answer the true or false for the assignment as soon as possible please, thanks
1. Temporal databases require some aspect of time when organizing information.
True
False
2. Time is not considered as an ordered sequence of points.
True
False
3. bitemporal time uses:
uses valid time and transaction time
uses space time and transaction time
uses valid time and trigger time
uses valid time and invalid time
4. Spatial databases support information about objects in time.
True
False
5. Spatial databases support information about objects in multidimensional space.
True
False
6. A ____________ database uses facts and rules.
7. XML and JSON
use self describing documents
dynamic web pages
all of the above
none of the above.
8. Conditions for well formed XML documents
Begins with XML declaration
Syntaxically correct
Valid (must follow a particular schema)
All of the above.
9. A XML ___________ defines a set of commands that can be used.
10 .XML Query language standards are
Xpath
Xquery
none of the above
both 1 and 2 are correct.
11. XML Queries may use a ________ expression.
12. NOSQL means
Not only SQL
Never a SQL
T-SQL
PL/SQL
13. Cassandra
uses concepts from both key value store and column-bases systems.
uses concepts from onlykey value store .
uses concepts from column-bases systems.
none of the above.
14. Neo4j is a graph bases NOSQL system.
True
False
15. Voldemort is a
on demand system
open source key value system
undesirable attribute in a database
row based sql system
16. Hbase stored multiple versions of data items.
True
False
17. Hbase does not use apache zookeeper and HDFS.
True
False
18. Marklogic is a XML bases NOSQL database that uses Xquery.
True
False
19. To insert a lot of data into a marklogic database.
have a lot of people key in the data.
use the marklogic data pump.
use T-SQL
use PL/SQL
20. Marklogic uses both d-nodes and e-nodes in a cluster.
True
False
21. Data Mining is the discovery of new information in term of patterns or rules from vast amounts of data.
True
False
22. A _____ _______ is a historical database designed for decision support.
23. Classification is not the process of learning a model that is able to describe different classes of data.
True
False
24. ______ Clusering is a popular data mining algorithm.
25. Some commerical data mining tools are:
Intelligent miner
Polyanalyst
Enterprise miner
all of the above
uses valid time and transaction time
uses space time and transaction time
uses valid time and trigger time
uses valid time and invalid time
Explanation / Answer
1. Temporal databases require some aspect of time when organizing information.
Ans) True
2. Time is not considered as an ordered sequence of points.
Ans) False
3. bitemporal time uses:
Ans) uses valid time and transaction time
4. Spatial databases support information about objects in time.
Ans) True
5. Spatial databases support information about objects in multidimensional space
Ans) True
6. A ____________ database uses facts and rules.
Ans) deductive databse
7. XML and JSON
Ans) use self describing documents
According to chegg rules we should answer only four questions , but i have answered 7, you can post the remaining question as a separate question, please co-operate with us, thank you.
Hope this Helps, if you have any doubs please comment i will get back to you and please thumbs up, thank you.
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