Examlex
Q7: What is meant by the cardinality of
Q8: The only reason(s)for having relations is to
Q15: UML-style E-R diagrams introduce object-oriented notation that
Q17: Twitter and Facebook use NoSQL databases.
Q49: To display an existing SQL script,click the
Q59: Data Language/I (DL/I)structured data relationships as a
Q64: If by knowing the value of A
Q77: In Oracle Database,triggers that are fired once
Q84: What is SQL?
Q87: In E-R modeling,an attribute describes the characteristics