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userId: Long username: Text ...
1, dungtv 2, Nani002 ...
Usename:text Huy Long Nam Duy Nam Huy Duy LongLần select 1 Em mún lọc ra những dòng chỉ có Huy và Long, Lần select 2 lọc ra Nam Duy, với Huy, Long, Nam, Duy là 4 giá trị ko hề biết trước, tức nó nhiều records quá, nhưng duy 1 chỉ có n ( ví dụ trên là n=4) giá , chọn lần lượt 2 giá trị đến khi hết n.</blockquote>
CREATE TABLE Username ( username VARCHAR(45), PRIMARY KEY (username) )
SELECT * FROM Username order by username LIMIT 10 OFFSET 10;
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