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Computer Science - Database Systems

Exercise : Database Systems - Section 3
26.
A data dictionary is a special file that contains
the names of all fields in all files
the data types of all fields in all files
the widths of all fields in all files
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A file that is organized in uniform format is formally referred to as a _____ or a database file.
Document
Database
Record
Structured data file
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A form can be used to
modify records
delete records
format printed output
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which language has recently become the de-facto standard for interfacing application programs with relational database system?
Oracle
SQL
dBASE
4GL
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
In SQL, the CREATE TABLE is used
to create a table, defining its columns, integrity constrains, and storage allocation
to add a column/integrity constraint to a table
to redefine a column
to change a table's storage characteristics
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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