access alter table NULL e NOT NULL

[nman]

Per impostare il campo a Richiesto

ALTER TABLE Tabella1 ALTER COLUMN Campo2 TEXT(50) NOT NULL

Per impostarlo a NonRichiesto Bohh!!
( solo togliendo il NOT non funziona )


http://msdn.microsoft.com/en-us/libr...ice.10%29.aspx
http://msdn.microsoft.com/en-us/libr...ice.12%29.aspx
http://stackoverflow.com/questions/6...553284#9553284

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