Я включаю определения для вычисляемых столбцов
select 'CREATE TABLE [' + so.name + '] (' + o.list + ')' + CASE WHEN tc.Constraint_Name IS NULL THEN '' ELSE 'ALTER TABLE ' + so.Name + ' ADD CONSTRAINT ' + tc.Constraint_Name + ' PRIMARY KEY ' + ' (' + LEFT(j.List, Len(j.List)-1) + ')' END, name
from sysobjects so
cross apply
(SELECT
case when comps.definition is not null then ' ['+column_name+'] AS ' + comps.definition
else
' ['+column_name+'] ' + data_type +
case
when data_type like '%text' or data_type in ('image', 'sql_variant' ,'xml')
then ''
when data_type in ('float')
then '(' + cast(coalesce(numeric_precision, 18) as varchar(11)) + ')'
when data_type in ('datetime2', 'datetimeoffset', 'time')
then '(' + cast(coalesce(datetime_precision, 7) as varchar(11)) + ')'
when data_type in ('decimal', 'numeric')
then '(' + cast(coalesce(numeric_precision, 18) as varchar(11)) + ',' + cast(coalesce(numeric_scale, 0) as varchar(11)) + ')'
when (data_type like '%binary' or data_type like '%char') and character_maximum_length = -1
then '(max)'
when character_maximum_length is not null
then '(' + cast(character_maximum_length as varchar(11)) + ')'
else ''
end + ' ' +
case when exists (
select id from syscolumns
where object_name(id)=so.name
and name=column_name
and columnproperty(id,name,'IsIdentity') = 1
) then
'IDENTITY(' +
cast(ident_seed(so.name) as varchar) + ',' +
cast(ident_incr(so.name) as varchar) + ')'
else ''
end + ' ' +
(case when information_schema.columns.IS_NULLABLE = 'No' then 'NOT ' else '' end ) + 'NULL ' +
case when information_schema.columns.COLUMN_DEFAULT IS NOT NULL THEN 'DEFAULT '+ information_schema.columns.COLUMN_DEFAULT ELSE '' END
end + ', '
from information_schema.columns
left join sys.computed_columns comps
on OBJECT_ID(information_schema.columns.TABLE_NAME)=comps.object_id and information_schema.columns.COLUMN_NAME=comps.name
where table_name = so.name
order by ordinal_position
FOR XML PATH('')) o (list)
left join
information_schema.table_constraints tc
on tc.Table_name = so.Name
AND tc.Constraint_Type = 'PRIMARY KEY'
cross apply
(select '[' + Column_Name + '], '
FROM information_schema.key_column_usage kcu
WHERE kcu.Constraint_Name = tc.Constraint_Name
ORDER BY
ORDINAL_POSITION
FOR XML PATH('')) j (list)
where xtype = 'U'
AND name NOT IN ('dtproperties')