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DB Chapter 1 True/False

The purpose of a database is to help people keep track of things.
T
A possible problem with keeping data in lists is that if you delete a row of data from a list, you may also delete some data items that you want to keep.
T
An advantage of keeping data in lists is that if you update a data value in one row of data in a list, other occurrences of the same data item in other rows will be automatically updated as well.
F
An advantage of keeping data in lists is that if you add a new row of data to the list, you will never have null values occurring for any data item in the row.
F
One problem with storing duplicated data is the potential for inconsistent values.
T
A relational database stores data in the form of lists.
F
Usually, a database table containing both rows and columns is designed to store data for exactly two themes.
F
By separating data into tables containing data on only one theme each, making changes to the data is simplified.
T
SQL stands for Structural Question Language.
F
Relational database tables are commonly combined, queried, and processed using Structured Query Language (SQL).
T
Although users use database systems, they are not considered part of a database system.
F
A database is a set of one or more computer programs that serves as an intermediary between the users and the database management system (DBMS).
F
A relational database can be defined as a self-describing collection of related tables.
T
A database is self-describing because the user maintains a record of the database structure outside the database itself.
F
Metadata is the user data stored in the database.
F
Most organizations create and use their own database management system (DBMS) products.
F
The DBMS is used to create the database itself.
T
Referential integrity constraints must be enforced by the application program.
F
Application programs are responsible for creating, maintaining, and supporting database backup and recovery systems.
F
The DBMS receives data update requests from the application program.
T
In the general division of labor between database applications and the DBMS, the processing of forms is considered a DBMS task.
F
In the general division of labor between database applications and the DBMS, the application program determines which tables need to be modified.
T
In the general division of labor between database applications and the DBMS, the application program formats the results of a query into a report.
T
Personal DBMS products, such as Microsoft Access, create a clear distinction between the DBMS and the database application.
F
There is no reason for serious database developers to learn many aspects of database processing technology because DBMS products like Microsoft Access hide these aspects.
F
Microsoft Access 2010 is a personal database that combines a DBMS with an application generator.
T
The Microsoft Access 2010 application generator provides the ability to create and store forms, reports, and queries.
T
Microsoft Access 2010 databases are stored using the file extension .accdb.
F
Microsoft Access 2010 uses the Access 2003 .mdb file format as the default file format for database files.
F
Microsoft Access 2010 uses the AutoNumber data type to create surrogate keys.
T

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