Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the widths of all fields in all files the data types of all fields in all files All of these None of these the names of all fields in all files the widths of all fields in all files the data types of all fields in all files All of these None of these the names of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Relational Object-Oriented None of these Hierarchical Network Relational Object-Oriented None of these Hierarchical Network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is All of these None of these Look-up Insert Modify All of these None of these Look-up Insert Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS all of the listed here each subschema contains every field in the logical schema each user can "see" only a small part of the entire database each user can access every sub¬schema all of the listed here each subschema contains every field in the logical schema each user can "see" only a small part of the entire database each user can access every sub¬schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these None of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK All of these None of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
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