Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER MODIFY USER ALTER TRIGGER All of the listed here CHANGE USER MODIFY USER ALTER TRIGGER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you look at each form sequentially until you see the one you want you type the key in an entry line, and the correct form is displayed you enter the search value into the form All of these None of these you look at each form sequentially until you see the one you want you type the key in an entry line, and the correct form is displayed you enter the search value into the form All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error 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? Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide an inverted index None of these All of these a secondary access path a physical record key an inverted index None of these All of these a secondary access path a physical record key ANSWER DOWNLOAD EXAMIANS APP
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