If various sites are linked to one another, then the user at a site might access data that is present at some other site this is known as _______
If various sites are linked to one another, then the user at a site might access data that is present at some other site this is known as _______
In the ________interface the end users are free to have interfaces of their own choice at their sites
In the ________interface the end users are free to have interfaces of their own choice at their sites
___________ transparancy feature permits one distributed database to be treated as a single (albeit logical) database
___________ transparancy feature permits one distributed database to be treated as a single (albeit logical) database
__________ transparency permits a physically dispersed database to be managed as though it were a centralised database
__________ transparency permits a physically dispersed database to be managed as though it were a centralised database
________feature permits the distributed database to continue to be operational even if there is a failure at some nodes.
________feature permits the distributed database to continue to be operational even if there is a failure at some nodes.
In _______ pages, entries are designed/planned by properties to locate entries matching particular requirements
In _______ pages, entries are designed/planned by properties to locate entries matching particular requirements
The updation of data on more than two networked computer systems is termed as a ________transaction
The updation of data on more than two networked computer systems is termed as a ________transaction
Vertical fragmentation is similar as __________.
Vertical fragmentation is similar as __________.
______meansThe level at which data could be accessed in spite of the malfunction of some sites or link
______meansThe level at which data could be accessed in spite of the malfunction of some sites or link
It is more costly and also tough to implement a distributed database system as compared to _______local database.
It is more costly and also tough to implement a distributed database system as compared to _______local database.
.______is a Cost of time required and total expenditure to transmit a message from site ‘A’ to site ‘B’
.______is a Cost of time required and total expenditure to transmit a message from site ‘A’ to site ‘B’
The entire database is controlled by a single site and hence is known as _______ Database System
The entire database is controlled by a single site and hence is known as _______ Database System
Replication comes in helpful, when you want to improve the _______ of data
Replication comes in helpful, when you want to improve the _______ of data
In _________transparency The fact that the constituent databases are of different types; that the hardware systems are of different types etc. are not known to the users due to this feature of the DDBMS
In _________transparency The fact that the constituent databases are of different types; that the hardware systems are of different types etc. are not known to the users due to this feature of the DDBMS
_____ is the cost of connecting the sites physically in system
_____ is the cost of connecting the sites physically in system
______processing means the capability to transmit queries and access remote sites between different sites via communication network.
______processing means the capability to transmit queries and access remote sites between different sites via communication network.
Database management system that resides entirely on a machine different from that of the user connected through a network is known as ________database
Database management system that resides entirely on a machine different from that of the user connected through a network is known as ________database
______means The ability to track data distribution, replication and fragmentation by enlarging the DDBMS catalogue
______means The ability to track data distribution, replication and fragmentation by enlarging the DDBMS catalogue
______ means the frequency of failures in link or sites
______ means the frequency of failures in link or sites
___________ transparancy feature permits a transaction to be executed either completely or not at all just as in case of a local database system
___________ transparancy feature permits a transaction to be executed either completely or not at all just as in case of a local database system