What are the relationships that the regional database is named for? Relationship

Question

What are the relationships that the regional database is named for? Relationships between rows and columns Relationships between entities Relationships between attributes Relationships between fields and records Relationships between databases A network that covers entire geographical region is most commonly referred to as a(n): wide area network. metropolitan area network peer-to-peer network local area network intranet Which of the following is the most prominent data manipulation language today? Crystal Reports DB2 Access Hadoop SQL In a relational database a record is also called a(n): entity field key field table tuple Which protocol is the Internet based on? FTP Telnet HTTP TCP/IP Packet-switching Increasingly, voice, video. and data communications are all based on internet technology True False

Explanation / Answer

25)
E. Relationships between fields and records
Relational databases: Defining relationships between database tables which contain fields and records

26)
A. wide area network.

27)
E. SQL
data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database

28)
E. tuple
A Record in a table represents set of related data. single entry in a table is called a Record. a tuple is one record

29)
D. TCP/IP
IP was the connectionless datagram service in the Transmission Control Program, other is the connection-oriented Transmission Control Protocol (TCP). The Internet protocol is therefore referred to as TCP/IP.

30)
A. True
Computer networks have explanded to include video services and internet telephone. Thus, All these voice, video and data communications are based on internet technology

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