Midterm Examination

Traditional file organization has mechanism for tagging, retrieving, and manipulating data.

• True

• False

Foreign key is generally used to build a relationship between two tables.

• True

• False

Primary key allows multiple null values.

• True

• False

In a relational database, a record is called a tuple.

• True

• False

Applications written for flat files run more efficiently than those written for database.

• True

• False

Database models differ in the manner in which records are linked to each other.

• True

• False

Modifying a database by adding new data related to entities is much simpler than adding data to flat files.

• True

• False

Sequential file storage, direct file storage, and indexed sequential file storage are commonly referred to as database file.

• True

• False

Often, the traditional file approach to storing data leads to low data integrity.

• True

• False

Data in a Database Approach can be easily accessed and manipulated in almost any way desired to create useful information.

• True

• False