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Questions and Answers
Who proposed the relational model of data in 1970?
Who proposed the relational model of data in 1970?
- Bill Gates
- Steve Jobs
- Tim Berners-Lee
- E. F. Codd (correct)
What is the system used to maintain relational databases called?
What is the system used to maintain relational databases called?
- Relational Database Management System (RDBMS) (correct)
- Structured Data System (SDS)
- Database Integration Management System (DIMS)
- Data Query Language System (DQLS)
Which language is commonly used for querying and updating relational databases?
Which language is commonly used for querying and updating relational databases?
- JavaScript
- NoSQL
- SQL (Structured Query Language) (correct)
- Python
Where was the term 'relational database' first defined?
Where was the term 'relational database' first defined?
What did Codd introduce in his research paper 'A Relational Model of Data for Large Shared Data Banks'?
What did Codd introduce in his research paper 'A Relational Model of Data for Large Shared Data Banks'?
What are some key features of a relational database system according to E. F. Codd?
What are some key features of a relational database system according to E. F. Codd?
What did E. F. Codd introduce in his research paper 'A Relational Model of Data for Large Shared Data Banks'?
What did E. F. Codd introduce in his research paper 'A Relational Model of Data for Large Shared Data Banks'?
What is a well-known definition of a relational database system as per Codd's 12 rules?
What is a well-known definition of a relational database system as per Codd's 12 rules?
What is the term commonly used for querying and updating the database in relational database systems?
What is the term commonly used for querying and updating the database in relational database systems?
Where did E. F. Codd define the term 'relational database'?
Where did E. F. Codd define the term 'relational database'?
Trigger
Trigger
Basic structure of sql
Basic structure of sql
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