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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?
E. F. Codd
What is the acronym for the language commonly used for querying and updating relational databases?
What is the acronym for the language commonly used for querying and updating relational databases?
SQL (Structured Query Language)
When was the term 'relational database' first defined?
When was the term 'relational database' first defined?
In 1970
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'?
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What are relational database systems composed of according to Codd's 12 rules?
What are relational database systems composed of according to Codd's 12 rules?
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Study Notes
Relational Model of Data
- The relational model of data was proposed by E.F. Codd in 1970.
Relational Database Language
- SQL is the acronym for the language commonly used for querying and updating relational databases.
Term Definition
- The term 'relational database' was first defined in 1970.
Codd's Research Paper
- In his research paper 'A Relational Model of Data for Large Shared Data Banks', E.F. Codd introduced the concept of the relational model of data.
Codd's 12 Rules
- Relational database systems are composed of a self-describing catalog, a relational engine, and a storage engine according to Codd's 12 rules.
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Description
Test your knowledge of relational databases and SQL with this quiz. Explore the history and concepts behind relational database management systems and the use of SQL for querying and updating databases.
