Introduction to Database System The distinguishable parts of a record are called database files fields None of these data database files fields None of these data 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 Attribute Entity Identifier Relationship Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: 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. must always be composed of two or more columns. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: relations. tables. rows. attributes. relations. tables. rows. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT ALL FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK All of these SELECT ALL FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute describes the entity's characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
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