Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT DIFFERENT All of these None of these SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT All of these None of these SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is None of these All of these Look-up Modify Insert None of these All of these Look-up Modify Insert ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called None of these data field data file data record database None of these data field data file data record database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order is in ascending order None of these is in descending order is the result of a sort operation both (b) and (c) is in ascending order None of these is in descending order is the result of a sort operation both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS