Introduction to Database System Which command is used to remove a table from the database in SQL? DELETE TABLE UNATTACH TABLE ERASE TABLE DROP TABLE DELETE TABLE UNATTACH TABLE ERASE TABLE DROP TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the width of a field All of the listed here change the name of a field correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field correct spelling changes before they are recorded ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Strong entity ID- independent entity ID-dependent entity Weak entity Strong entity ID- independent entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . reports user data indexes metadata reports user data indexes metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database All of these can use aggregate functions like SUM and COUNT are written in English None of these both (a) and (b) All of these can use aggregate functions like SUM and COUNT are written in English None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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