Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? SELECT LIST BROWSE None of these CHOOSE SELECT LIST BROWSE None of these CHOOSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? 4GL High level language SQL Query language 4GL High level language SQL Query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these SELECT DISTINCT SELECT UNIQUE All of these SELECT DIFFERENT None of these SELECT DISTINCT SELECT UNIQUE All of these SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in an indexed file None of these a sequential file a hashed file a tree file an indexed file None of these a sequential file a hashed file a tree file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sophisticated report generators can All of the listed here print row-oriented reports perform arithmetic operations selectively retrieve and print portions of a list All of the listed here print row-oriented reports perform arithmetic operations selectively retrieve and print portions of a list ANSWER DOWNLOAD EXAMIANS APP
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