Which of the following is a valid deletion rule? A. Q-deletion B. R-deletion C. S-deletion D. T-deletion

Which of the following is not a valid deletion rule? A. N-deletion B. V-deletion C. X-deletion D. Vowel-C-deletion

Which of the following statements correctly describe the DELETE operation?1) DROP database [database_name], delete a specific database2) DELETE from [table_name], delete all record from a specific table3) DELETE from [table_name] where [condition], delete a record that meets the condition from a specific table4) DROP table [table_name], delete a specific tableQuestion 9Select one:a.4,3,1b.1,2,3,4c.2,3,4d.1,2,3

When the referential integrity rule is enforced, which one is usually NOT a valid action in response to the deletion of a row that contains a primary key value referenced elsewhere?Choose one answer. a. Accept the deletion without any other action b. Set the foreign keys of related rows to null c. Do not allow the deletion d. Delete the related rows

To delete rows from the SALES table, where the PROMO_NAME column in thePROMOTIONS table has either 'blowout sale' or 'everyday low price' as values. Which DELETE statements are valid? (Choose all that apply.)Select one or more:a.DELETEFROM salesWHERE promo_id = (SELECT promo_idFROM promotionsWHERE promo_name = 'blowout sale')AND promo_id = (SELECT promo_idFROM promotionsWHERE promo_name = 'everyday low price');b.DELETEFROM salesWHERE promo_id IN (SELECT promo_idFROM promotionsWHERE promo_name = 'blowout sale'OR promo_name = 'everyday low price');c.DELETEFROM salesWHERE promo_id = (SELECT promo_idFROM promotionsWHERE promo_name = 'blowout sale')OR promo_id = (SELECT promo_idFROM promotionsWHERE promo_name = 'everyday low price');d.DELETEFROM salesWHERE promo_id IN (SELECT promo_idFROM promotionsWHERE promo_name IN ('blowout sale','everyday low price'));

Which of the following SQL clauses is used to DELETE tuples from a database table?DELETEREMOVEDROPCLEAR