DATA MANAGEMENT FOUNDATIONS FINAL PAPER EXAM QUESTIONS ACCURATE
ANSWERS FULL SOLUTION
Question:
Digital Data.
Answer:
Most common today. Encoded as 0s and 1s on electronic magnetic data.
Question:
Database.
Answer:
A collection of data in structured format. In principle, can be stored on paper or even clay tablets.
Question:
Database System (DBMS).
Answer:
Software that reads and writes in a database.
Question:
Query.
Answer:
A request to retrieve or change data in a database. Typically inserts new data, retrieves data,
updates, data, or deletes data from a database.
Question:
,Query Language.
Answer:
Specialized programming language designed specifically for database systems. Reads and writes
data efficiently.
Question:
Database Application.
Answer:
Software that HELPS business users interact with database systems.
Question:
Database Administrator.
Answer:
What role am I? Responsible for securing the database system against unauthorized users. They
enforce procedures for user access and database system availability.
Question:
Database Designer.
Answer:
What role am I? Determines the format of each data element AND the overall database
STRUCTURE. Must balance priorities like including storage, response time, and support for rules
that govern the data.
Question:
Database Programmer.
Answer:
What role am I? Develop programs that utilize a database and write applications that combine query
languages and general purpose programming language.
,Question:
Database User.
Answer:
What role am I? A consumer of data in a database. They request, update, or use stored data to
generate reports or information.
Question:
Transaction.
Answer:
A group of queries that MUST be completed or rejected as a whole.
Question:
Architecture.
Answer:
Describes the internal components AND the relationships between components.
Question:
Query Processor.
Answer:
Interprets queries, creates a plan to modify the database or retrieve the data, and returns query
results to the application. Performs query optimization.
Question:
Query Optimization.
Answer:
Ensures efficient instructions are executed on the data from the Query Processor.
, Question:
Storage Manager.
Answer:
Translates the query processor instructions into low-level file-system commands that modify OR
retrieve data. Uses indexes to quickly locate data.
Question:
Transaction Manager.
Answer:
Ensures transactions are properly executed. Prevents conflicts between concurrent transactions. Also
restores the database to a consistent state in the event of a failure.
Question:
Log.
Answer:
A file containing a complete record of ALL inserts, updates, and deletes processed by the database.
The records can be used to restore a database.
Question:
Catalog/Data Dictionary/Repository.
Answer:
A directory of tables, columns, indexes, and other database objects.
Question:
Relational Database.
Answer:
ANSWERS FULL SOLUTION
Question:
Digital Data.
Answer:
Most common today. Encoded as 0s and 1s on electronic magnetic data.
Question:
Database.
Answer:
A collection of data in structured format. In principle, can be stored on paper or even clay tablets.
Question:
Database System (DBMS).
Answer:
Software that reads and writes in a database.
Question:
Query.
Answer:
A request to retrieve or change data in a database. Typically inserts new data, retrieves data,
updates, data, or deletes data from a database.
Question:
,Query Language.
Answer:
Specialized programming language designed specifically for database systems. Reads and writes
data efficiently.
Question:
Database Application.
Answer:
Software that HELPS business users interact with database systems.
Question:
Database Administrator.
Answer:
What role am I? Responsible for securing the database system against unauthorized users. They
enforce procedures for user access and database system availability.
Question:
Database Designer.
Answer:
What role am I? Determines the format of each data element AND the overall database
STRUCTURE. Must balance priorities like including storage, response time, and support for rules
that govern the data.
Question:
Database Programmer.
Answer:
What role am I? Develop programs that utilize a database and write applications that combine query
languages and general purpose programming language.
,Question:
Database User.
Answer:
What role am I? A consumer of data in a database. They request, update, or use stored data to
generate reports or information.
Question:
Transaction.
Answer:
A group of queries that MUST be completed or rejected as a whole.
Question:
Architecture.
Answer:
Describes the internal components AND the relationships between components.
Question:
Query Processor.
Answer:
Interprets queries, creates a plan to modify the database or retrieve the data, and returns query
results to the application. Performs query optimization.
Question:
Query Optimization.
Answer:
Ensures efficient instructions are executed on the data from the Query Processor.
, Question:
Storage Manager.
Answer:
Translates the query processor instructions into low-level file-system commands that modify OR
retrieve data. Uses indexes to quickly locate data.
Question:
Transaction Manager.
Answer:
Ensures transactions are properly executed. Prevents conflicts between concurrent transactions. Also
restores the database to a consistent state in the event of a failure.
Question:
Log.
Answer:
A file containing a complete record of ALL inserts, updates, and deletes processed by the database.
The records can be used to restore a database.
Question:
Catalog/Data Dictionary/Repository.
Answer:
A directory of tables, columns, indexes, and other database objects.
Question:
Relational Database.
Answer:
