Trong SQL, làm thế nào để chèn Olsen vào cột LastName trong bảng Persons:

A. Truncate

B. Delete

C. Remove

A. DELETE FROM Persons WHERE FirstName = 'Peter'

B. DELETE ROW FirstName= 'Peter' FROM Persons

C. DELETE FirstName= 'Peter' FROM Persons

A. SELECT * FROM Persons SORT BY 'FirstName' DESC

B. SELECT * FROM Persons ORDER BY FirstName DESC

C. SELECT * FROM Persons SORT 'FirstName' DESC

D. SELECT * FROM Persons ORDER FirstName DESC

A. SELECT UNIQUE

B. SELECT INDENTITY

C. SELECT DIFFERNT

D. SELECT DISTINCT

A. INSERT INTO Persons VALUES ('Jimmy', 'Jackson')

B. INSERT ('Jimmy', 'Jackson') INTO Persons

C. INSERT VALUES ('Jimmy', 'Jackson') INTO Persons

A. SELECT COLUMNS() FROM Persons

B. SELECT COUNT() FROM Persons

C. SELECT LEN() FROM Persons

D. SELECT NO() FROM Persons

A. MODIFY

B. SAVE AS

C. SAVE

D. UPDATE