Database Management Systems Quiz Test your knowledge about Database Management Systems with this quiz! See if you can answer all 12 questions correctly delya90 published on January 010 responses 0 « Previous Next » Questions in vertical order 1/12 Which of the following is NOT a type of database management system? Relational database management system Hierarchical database management system Spreadsheet database management system Object-oriented database management system 2/12 What does SQL stand for? Structured Query Language Sequential Query Language Simple Query Language System Query Language 3/12 Which statement is used to update data in a database? SELECT UPDATE INSERT DELETE 4/12 Which of the following is a database management system? MySQL Java HTML Python 5/12 What is the primary key in a relational database? A unique identifier for a row in a table A unique identifier for a column in a table A foreign key linking two tables A data type for storing numbers 6/12 Which of the following is not a database model? Relational database model Entity-relationship model Hierarchical database model Structured Query Language 7/12 Which of the following is not an advantage of using a database management system? Data consistency Improved security Data redundancy Data integrity 8/12 What is the purpose of a database index? To organize data in alphabetical order To improve search performance To encrypt sensitive data To validate data integrity 9/12 Which of the following is a database administration task? Writing SQL queries Designing user interfaces Backing up databases Developing software applications 10/12 Which of the following is a non-relational database management system? Oracle MongoDB Microsoft SQL Server PostgreSQL 11/12 What is data normalization in database design? The process of removing null values The process of reducing data redundancy The process of encrypting data The process of organizing data in a specific order 12/12 Which of the following is a NoSQL database management system? MySQL Redis SQLite DB2
