Introduction to Database System Which of the following is a database administrator's function? backing up the database database design performance monitoring All of the listed here backing up the database database design performance monitoring All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, GRANT command is used to None of the listed here allow user to create databases allow user to access databases grant system privileges, roles, and object privileges to uses and roles None of the listed here allow user to create databases allow user to access databases grant system privileges, roles, and object privileges to uses and roles ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? MODIFY TABLE ALTER TABLE DEFINE TABLE All of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence All of these difficult to update lack of data independence data redundancy program dependence All of these difficult to update lack of data independence data redundancy ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. True False True False ANSWER DOWNLOAD EXAMIANS APP
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