Which contain information about a file needed by system programs for accessing file records?
File headers
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File operators
File blocks
None of the Option is Correct
Category: Computer Science
DBMS distributes data processing tasks between the workstation and network server
DBMS distributes data processing tasks between the workstation and network server
Client Server
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Hierarchical
Relational
Network
______ is a statement that is executed automatically by the system.
______ is a statement that is executed automatically by the system.
trigger
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assertion
durability
integrity constraint
Field is otherwise called as ……… of the record
Field is otherwise called as ……… of the record
data item
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data type
value
variable
A table can have only one
A table can have only one
Primary key
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Unique key
Alternate key
Secondary key
In the relational modes, cardinality is termed as
In the relational modes, cardinality is termed as
Number of tuples
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Number of attributes
Number of tables
Number of constraints
The view of total database content is
The view of total database content is
Conceptual view
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Internal view
External view
Physical view
Architecture of the database can be viewed as
Architecture of the database can be viewed as
three levels
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one level
four levels
two levels
Introduced the relational database rules.
Introduced the relational database rules.
EF Codd
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Atul kahate
James Gossling
Dennies Rithchie
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n)
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n)
referential integrity constraint
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transitive dependency
insertion anomaly
normal form