1 DELETE FROM TableReference
2? AS CorrelationName
3? WHERE Expression

WHERE

1 TableReference =  Database
2? 
2.0? . DataSourceClause
2.1 . SchemaClause
3 . TableClause

1 DataSourceClause = 
2 DataSourceName
2 { DataSourceExpression }

1 SchemaClause = 
2 SchemaName
2 { SchemaExpression }

1 TableClause = 
2 TableName
2 { TableExpression }