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sql server - store arabic in SQL database

I tried to store Arabic string in SQL 2008 database but it converted to " question mark " why ? and what should I do ?

question from:https://stackoverflow.com/questions/3560173/store-arabic-in-sql-database

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You need to choose an Arabic collation for your varchar/char columns or use Unicode (nchar/nvarchar)

CREATE TABLE #test
(
col1 VARCHAR(100) COLLATE Latin1_General_100_CI_AI,
col2 VARCHAR(100) COLLATE Arabic_CI_AI_KS_WS,
col3 NVARCHAR(100)
)
INSERT INTO #test VALUES(N'?? ????? ???????',N'?? ????? ???????',N'?? ????? ???????')

Note the N before values in insert statement above. If you do not mention it, system will treat the values as Varchar, not NVarchar.

SELECT * FROM #test

Returns

col1                           col2                           col3
------------------------------ ------------------------------ ------------------------------
?? ????? ???????               ?? ????? ???????               ?? ????? ???????

To see a list of Arabic collations use

SELECT name, description 
FROM fn_helpcollations() 
WHERE name LIKE 'Arabic%'

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