Left outer join là 1 dạng của outer join. 1 dạng khác là:

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 COLUMNS() FROM Persons

B. SELECT COUNT() FROM Persons

C. SELECT LEN() FROM Persons

D. SELECT NO() FROM Persons

A. Truncate

B. Delete

C. Remove

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

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

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

A. MODIFY

B. SAVE AS

C. SAVE

D. UPDATE

A. SELECT UNIQUE

B. SELECT INDENTITY

C. SELECT DIFFERNT

D. SELECT DISTINCT