The main concept of relational databases was published in 1970 by:
A) Itzak Ben-Gan.
B) Hoffer.
C) Mills.
D) E.F.Codd.
Correct Answer:
Verified
Q12: The command for creating a database is:
A)
Q13: _ is a set of commands used
Q14: What does the following SQL statement do?
Q15: In an SQL statement, which of the
Q16: What does the following SQL statement do?
Q18: What does the following SQL command do?
Q19: The first in a series of steps
Q20: Indexes are created in most RDBMSs to:
A)
Q21: What will be returned when the following
Q22: To get all the customers from Hawaii
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