A data dictionary doesn’t provide information about:
A data dictionary doesn’t provide information about:
Data encryption techniques are particularly useful for
Data encryption techniques are particularly useful for
It is more accurate to define a _____ as a variety of different record types tha
It is more accurate to define a _____ as a variety of different record types that are treated as a single unit
A logical schema
A logical schema
Queries to a database
Queries to a database
A good query system
A good query system
Related fields in a data base are grouped to form
Related fields in a data base are grouped to form
If you want to organize a file in multiple ways, it is better to _____ the data
If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it.
A _____ means that one record in a particular record type can be related to many
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.
The modify operation is likely to be done after
The modify operation is likely to be done after
In SQL, the _____ command is used to recompile a view
In SQL, the _____ command is used to recompile a view
One data dictionary software package is called
One data dictionary software package is called