CCS Database Management 3 — Questions and Answers
Question 1: What does the acronym CRUD stand for in the context of database operations?
- Compile, Run, Update, Delete
- Create, Read, Update, Delete (Correct answer)
- Copy, Retrieve, Undo, Deploy
- Configure, Record, Upload, Distribute
Correct answer: Create, Read, Update, Delete
CRUD represents the four basic database operations: Create, Read, Update, and Delete, which cover all fundamental data manipulation tasks.
Question 2: A health information manager wants to prevent unauthorized access to specific columns in the patient database. Which database feature should be implemented?
- Triggers
- Views (Correct answer)
- Stored procedures
- Partitioning
Correct answer: Views
Database views can expose only selected columns to specific users, effectively restricting access to sensitive fields like SSN or financial data.
Question 3: Which of the following best describes an index in a healthcare database?
- A backup copy of the entire database
- A data structure that speeds up data retrieval (Correct answer)
- A rule that prevents duplicate entries
- A log of all user transactions
Correct answer: A data structure that speeds up data retrieval
An index is a data structure that allows the database engine to locate rows quickly without scanning every record in a table.
Question 4: In healthcare data management, what is a master patient index (MPI)?
- A list of all active insurance contracts
- A database that uniquely identifies each patient across a healthcare system (Correct answer)
- A catalog of all ICD-10 codes used by a facility
- A log of all physician orders
Correct answer: A database that uniquely identifies each patient across a healthcare system
The MPI is a central database that maintains a unique identifier for each patient to prevent duplicate records across the enterprise.
Question 5: When a transaction in a hospital billing database is interrupted mid-process, which database property ensures the data is returned to its previous state?
- Consistency
- Isolation
- Durability
- Atomicity (Correct answer)
Correct answer: Atomicity
Atomicity guarantees that a transaction is treated as a single unit — either all operations complete or none are applied.
Question 6: A coding supervisor exports patient encounter data to analyze payer mix. Which database operation is being performed?
- Data migration
- Data archiving
- Data extraction (Correct answer)
- Data replication
Correct answer: Data extraction
Data extraction pulls specific records from the database for analysis, reporting, or transfer to another system.
Question 7: In database terminology, what is a 'null' value?
- A value of zero
- An empty string with no characters
- The absence of any value in a field (Correct answer)
- A placeholder for unknown future data
Correct answer: The absence of any value in a field
NULL represents the complete absence of a value in a field, which is distinct from zero or an empty string.
CCS Database Management 3
What does the acronym CRUD stand for in the context of database operations?