Introduction to Database System A functional dependency is a relationship between or among: tables. relations. attributes. rows. tables. relations. attributes. rows. 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? dBase-II R:base IDMS DB2 dBase-II R:base IDMS DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called All of the listed here Relations Domains Queries All of the listed here Relations Domains Queries ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system None of these both (a) and (b) can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what files are in the database what these files contain All of the listed here what attribute are possessed by the data what files are in the database what these files contain All of the listed here what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is always an equation. False True False True ANSWER DOWNLOAD EXAMIANS APP