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Questions and Answers
What is the purpose of a primary key in a database table?
What is the purpose of a primary key in a database table?
- To enforce referential integrity
- To uniquely identify each record (correct)
- To define relationships between tables
- To store large amounts of data
Which of the following is a key feature of a relational database?
Which of the following is a key feature of a relational database?
- Hierarchical structure
- Sequential access
- Object-oriented design
- Schema flexibility (correct)
Which of the following is an example of a non-relational database?
Which of the following is an example of a non-relational database?
- MongoDB (correct)
- PostgreSQL
- Oracle
- MySQL
Which of the following is NOT a type of database mentioned in the text?
Which of the following is NOT a type of database mentioned in the text?
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Which database is commonly associated with the term 'RDBMS'?
Which database is commonly associated with the term 'RDBMS'?
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Which of the following is a commonly used database management system?
Which of the following is a commonly used database management system?
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Which of the following database management systems is not a relational database?
Which of the following database management systems is not a relational database?
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Which of the following database management systems is commonly associated with the open-source community?
Which of the following database management systems is commonly associated with the open-source community?
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Which of the following database management systems is commonly used in Microsoft-based environments?
Which of the following database management systems is commonly used in Microsoft-based environments?
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