Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II R:base IDMS DB2 dBase-II R:base IDMS DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: must always be composed of two or more columns. identifies a row. can only be one column. identifies a column. must always be composed of two or more columns. identifies a row. can only be one column. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Queries Relations All of the listed here Domains Queries Relations All of the listed here Domains ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to create a database file activate file editor load the software into your micro¬computer keep a floppy disk in readiness create a database file activate file editor load the software into your micro¬computer keep a floppy disk in readiness ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes None of these data prompts both (a) and (b) filed designators None of these data prompts both (a) and (b) filed designators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Identifier Relationship Entity Attribute Identifier Relationship Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
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