Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes All of these None of these records and files record relationships data elements All of these None of these records and files record relationships data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a decentralized MIS structure centralized MIS structure distributed MIS structure hierarchical MIS structure decentralized MIS structure centralized MIS structure distributed MIS structure hierarchical MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Hierarchical schema Network schema All of the listed here Relational schema Hierarchical schema Network schema All of the listed here Relational schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? R:base IDMS Oracle dBase-II R:base IDMS Oracle dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Entities Relationships Attributes Primary keys Entities Relationships Attributes Primary keys ANSWER DOWNLOAD EXAMIANS APP
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