Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 IDMS dBase-II R:base DB2 IDMS dBase-II R:base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be handwritten list a business form a Rolodex card file None of these All of these handwritten list a business form a Rolodex card file None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? PACK SAVE COMMIT ZIP PACK SAVE COMMIT ZIP 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 A recursive relationship is a relationship between an archetype and an instance of that archetype. True False True False ANSWER DOWNLOAD EXAMIANS APP
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