Kelly designed a Key-Value Store database for storing Customer Information for a
ID: 3816907 • Letter: K
Question
Kelly designed a Key-Value Store database for storing Customer Information for a Banking application. She has created a Column Family called "Demographical. "The initial design of the Demographics Column Family includes the columns "First Name"/Last Name'. "Address". "Telephone Number Birth Date. and 'Gender'. the database is now operational However. the users requested a change to store Customer's annual income, and monthly mortgage amounts. Since the requested information is financial. Kelly intends to create a new Column Family called "Financial". and add columns for annual income and monthly mortgage to this new Column Family. Does this change require a schema change? Yes, No Match the given descriptions to the corresponding NoSQL database types. the data is organized as pairs of Key and Value. the Data close 0 unaware of the contents in the Value. the data is organized as part of Key and a Document the Document is usually a JSON object or an XML document the data stored in the Document can be used to create indexes, so that the data searches can Do executed quickly. the data in the databases is organized as set of Column Families. Each Column Family can contain one or mere Columns. the data in the database is organized as set of nodes and relations. the data is retrieved by traversing the nodes.Explanation / Answer
6.No.with some enforchling data validation rules.Applications can add new fields on the fly.
7. a.Key-value pair- key value store(b)
b.key value and a document:document based store(a)
c.column families:column oriented store/db(d)
d.nodes and relations:Graph based(c)
8.web applications document based.
9.social network graph based
10.master node.
It is most updates and accurate source of data sets and is responsible for managing the cinsistency
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