SQL for Database Construction To update an SQL view, the DBMS must be able to associate the column(s) to be updated with: None of these a particular column in a particular underlying table. a particular column in a particular row. a particular row in a particular underlying table. None of these a particular column in a particular underlying table. a particular column in a particular row. a particular row in a particular underlying table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction There are three SQL data modification operations: insert, modify and delete. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A reason for using an SQL view to hide columns is: None of these to simplify a result only. to accomplish both of the above. to prevent the display of sensitive data only. None of these to simplify a result only. to accomplish both of the above. to prevent the display of sensitive data only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Which of the following is an SQL trigger supported by Oracle? AFTER All of these INSTEAD OF BEFORE AFTER All of these INSTEAD OF BEFORE ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL command to create a table is: MAKE TABLE DEFINE TABLE ALTER TABLE CREATE TABLE MAKE TABLE DEFINE TABLE ALTER TABLE CREATE TABLE ANSWER DOWNLOAD EXAMIANS APP
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