Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency None of these storage space is wasted both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? All of the listed here ALTER TABLE DEFINE TABLE MODIFY TABLE All of the listed here ALTER TABLE DEFINE TABLE MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means revising the file structure all of the listed here modifying or adding record occurrences reorganizing the database revising the file structure all of the listed here modifying or adding record occurrences reorganizing the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . described metadata compatible self-describing an application program described metadata compatible self-describing an application program 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 SELECT ALL FROM BOOK SELECT SUB FROM BOOK All of these None of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK SELECT SUB FROM BOOK All of these None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS