Introduction to Database System Which of the following products implemented the CODASYL DBTG model? dBase-II IDMS R:base DB2 dBase-II IDMS R:base DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → A → C → B → (B,C) → A → C → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Update Index Delete Sort key Update Index Delete Sort key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? IDMS DB2 dBase-II R:base IDMS DB2 dBase-II R:base ANSWER DOWNLOAD EXAMIANS APP
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