Databases Quiz
Database design, normalization, transactions, and the concepts behind both relational and NoSQL systems.
This category currently has 110 questions in the SERVBG quiz bank. Below are a few sample questions — the full interactive quiz shuffles through the whole set with instant scoring.
Sample questions
What does SQL stand for?
- Structured Query Language
- Simple Query Language
- Structured Question Language
- System Query Logic
- Standard Question Language
What is a primary key?
- Foreign reference
- Unique identifier for each record
- Database name
- First column
- Table name
What is a foreign key?
- Database link
- Primary identifier
- Reference to primary key in another table
- Table index
- Column name
What does SELECT do in SQL?
- Retrieves data from database
- Updates existing data
- Creates tables
- Deletes records
- Inserts new data
What does INSERT do?
- Creates tables
- Deletes records
- Adds new records to table
- Updates records
- Retrieves data
Related categories
Python (Coding)
Python syntax, standard-library usage, and the language idioms that come up in day-to-day scripting and application work.
JavaScript (Coding)
Core JavaScript language behavior, async patterns, and the quirks that trip up both beginners and experienced developers.
Linux
Linux command-line usage, file permissions, process management, and the everyday admin tasks every sysadmin and developer needs.
Security
General information security concepts — threats, defenses, and the fundamentals every IT professional should know.
Hardware
Computer hardware components, how they interact, and the troubleshooting knowledge behind keeping systems running.