B) data type. C) SQL. D) DB layout. 2b) All of the following are objectives when selecting a data type EXCEPT: A) represent all possible values. B) improve data integrity. C) support all data manipulations. D) use a lot of storage space. 2c) All of the following are valid datatypes in Oracle 12c EXCEPT: A) VARCHAR2. B) BOOLEAN. C) BLOB.

Fundamentals of Information Systems
8th Edition
ISBN:9781305082168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter3: Database Systems And Applications
Section: Chapter Questions
Problem 11SAT
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2a) A detailed coding scheme recognized by system software for representing organizational data is called a(n):
A) DBMS code.
B) data type.
C) SQL.
D) DB layout.


2b) All of the following are objectives when selecting a data type EXCEPT:
A) represent all possible values.
B) improve data integrity.
C) support all data manipulations.
D) use a lot of storage space.


2c) All of the following are valid datatypes in Oracle 12c EXCEPT:
A) VARCHAR2.
B) BOOLEAN.
C) BLOB.
D) NUMBER.

2d) The smallest unit of application data recognized by system software is a:
A) field.
B) row.
C) data type.
D) column.


2e) An appropriate datatype for one wanting a fixed-length type for last name would include:
A) VARCHAR.
B) CHAR.
C) BLOB.
D) DATE.

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