<t>Syntaxe :<br/>
<br/>
ALTER TABLE {TABLENAME} <br/>
ADD {COLUMNNAME} {TYPE} {NULL|NOT NULL} <br/>
CONSTRAINT {CONSTRAINT_NAME} DEFAULT {DEFAULT_VALUE}<br/>
WITH VALUES<br/>
<br/>
```<br/>
<br/>
Exemple :<br/>
<br/>
```<br/>
ALTER TABLE SomeTable<br/>
ADD SomeCol Bit NULL --Or NOT NULL.<br/>
CONSTRAINT D_SomeTable_SomeCol --When Omitted a Default-Constraint Name is autogenerated.<br/>
DEFAULT (0)--Optional Default-Constraint.<br/>
WITH VALUES --Add if Column is Nullable and you want the Default Value for Existing Records.<br/>
<br/>
```<br/>
<br/>
Remarques :<br/>
<br/>
**Option</t>
