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Who is the founder of relational database theory?

Who is the founder of relational database theory?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Who is the founder of relational database theory? O E. F. Codd D.A. Ritchie O SE. Jobs O H.L. Ching What type of database is the most commonly used in Industry? O Relational O Hierarchical O Object-oriented O NOSQL In SQL, the NULL value is: A value that is unknown, unavailable, or not applicable O The absence of a data type A field that only accepts character-based data A field that only accepts numeric-based data With SQL, how do you select all the records and columns from a table named "Employees" where the column "FirstName" is "Peter" and the "LastName" is "Frampton"? OSELECT FROM Employees Employees WHERE FirstName = Peter' AND LastName= Frampton e SELECT FirstName. LastName FROM Employees WHERE FirstName = 'Peter AND LastName= Frampton: SELECT FROM Employees Employees WHERE FirstName Peter AND LastName > Frampton SELECT Peter Frampton FROM Employees With SQL, how do you select all records from a table named "Employees" where the "LastName" is alphabetically between (and including) "Nguyen" and "Yang"? (choose one or more that apply] SELECT "FROM Employees WHERE LastName > Nguyen AND LastName < "Yang SELECT FROM Employees WHERE LastName BETWEEN 'Nguyen' AND Yang ESELECT FROM Employees WHERE LastName >= Nguyen AND <= Yang SELECT FROM Employees WHERE LastName IN (Nguyen, Yang
Transcribed Image Text:Who is the founder of relational database theory? O E. F. Codd D.A. Ritchie O SE. Jobs O H.L. Ching What type of database is the most commonly used in Industry? O Relational O Hierarchical O Object-oriented O NOSQL In SQL, the NULL value is: A value that is unknown, unavailable, or not applicable O The absence of a data type A field that only accepts character-based data A field that only accepts numeric-based data With SQL, how do you select all the records and columns from a table named "Employees" where the column "FirstName" is "Peter" and the "LastName" is "Frampton"? OSELECT FROM Employees Employees WHERE FirstName = Peter' AND LastName= Frampton e SELECT FirstName. LastName FROM Employees WHERE FirstName = 'Peter AND LastName= Frampton: SELECT FROM Employees Employees WHERE FirstName Peter AND LastName > Frampton SELECT Peter Frampton FROM Employees With SQL, how do you select all records from a table named "Employees" where the "LastName" is alphabetically between (and including) "Nguyen" and "Yang"? (choose one or more that apply] SELECT "FROM Employees WHERE LastName > Nguyen AND LastName < "Yang SELECT FROM Employees WHERE LastName BETWEEN 'Nguyen' AND Yang ESELECT FROM Employees WHERE LastName >= Nguyen AND <= Yang SELECT FROM Employees WHERE LastName IN (Nguyen, Yang
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