Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. parent subtype child instance parent subtype child instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used to change storage characteristics to take a tablespace online/offline All of the listed here to add/rename data files to change storage characteristics to take a tablespace online/offline All of the listed here to add/rename data files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Both of the listed here two users of the DBMS are interacting with different files at the same time None of the listed here Two concurrent activities interact to cause a processing error Both of the listed here two users of the DBMS are interacting with different files at the same time None of the listed here Two concurrent activities interact to cause a processing error ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK All of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK All of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? MODIFY USER ALTER TRIGGER All of the listed here CHANGE USER MODIFY USER ALTER TRIGGER All of the listed here CHANGE USER ANSWER DOWNLOAD EXAMIANS APP
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