Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters Data field None of the listed here Bits Characters Data field None of the listed here Bits ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Relations Domains Queries All of the listed here Relations Domains Queries All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these SELECT SUB FROM BOOK None of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these SELECT SUB FROM BOOK None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . user data A report metadata indexes user data A report metadata indexes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called None of these DB/DC dictionary any of the above TOTAL ACCESS None of these DB/DC dictionary any of the above TOTAL ACCESS ANSWER DOWNLOAD EXAMIANS APP
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