表结构查询 Sql
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2022-05-28 15:50:34
select row_number() over(order by a.column_id) rownumber, a.name, case when t.name in (N'decimal', N'numeric') then t.name + '('+ Convert(varchar(10),... ......
select row_number() over(order by a.column_id) rownumber, a.name, case when t.name in (n'decimal', n'numeric') then t.name + '('+ convert(varchar(10),a.precision) + ',' + convert(varchar(10),a.scale) +')' when t.name in (n'varchar', n'nvarchar', n'char', n'nchar') then t.name + '('+ convert(varchar(10),a.max_length) +')' else t.name end data_type, case a.is_nullable when 1 then 'y' else 'n' end is_nullable, case a.is_identity when 1 then 'y' else '' end is_identity, isnull(def.text,n'') defalut_value, isnull(ft.name + '.' + fc.name,n'') foreig_key, isnull(ep.value,n'') [description] from sys.columns a left join sys.types t on t.user_type_id = a.user_type_id left join sys.syscolumns sc on sc.id = a.object_id and sc.colid = a.column_id left join sys.syscomments def on def.id = sc.cdefault left join sys.foreign_key_columns fkc on fkc.parent_object_id = a.object_id and fkc.parent_column_id = a.column_id left join sys.columns fc on fc.object_id = fkc.referenced_object_id and fc.column_id = fkc.referenced_column_id left join sys.tables ft on ft.object_id = fkc.referenced_object_id left join sys.extended_properties ep on ep.major_id = a.object_id and ep.minor_id = a.column_id and ep.name = n'ms_description' where exists(select 1 from sys.tables b where b.object_id = a.object_id and b.name = n'表名称')
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