Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? BROWSE LIST SELECT None of these CHOOSE BROWSE LIST SELECT None of these CHOOSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, GRANT command is used to allow user to access databases grant system privileges, roles, and object privileges to uses and roles allow user to create databases None of the listed here allow user to access databases grant system privileges, roles, and object privileges to uses and roles allow user to create databases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a measure of the percentage of existing records updated during a run None of these is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run None of these is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: C → B → (B,C) → A → C → B → (B,C) → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data items grouped together for storage purposes are called a string None of these record list title string None of these record list title ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: None of these separate files data-base administrator data base users None of these separate files data-base administrator data base users ANSWER DOWNLOAD EXAMIANS APP
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