Introduction to Database System Which of the following is not characteristic of a relational database model? tables treelike structure records complex logical relationships tables treelike structure records complex logical relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? UPDATE SELECT CREATE DELETE UPDATE SELECT CREATE DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and transaction log query language and utilities None of the listed here data dictionary and query language data dictionary and transaction log query language and utilities None of the listed here data dictionary and query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Insert Modify None of these All of these Look-up Insert Modify None of these All of these Look-up ANSWER DOWNLOAD EXAMIANS APP