一、查出某个库的所有表名
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USE database_name
GO
SELECT
tab.
name
AS
tableName
FROM
sys.columns col
INNER
JOIN
sys.tables tab
ON
col.object_id = tab.object_id
LEFT
JOIN
sys.extended_properties per
ON
col.column_id = per.minor_id
AND
per.major_id = tab.object_id
INNER
JOIN
sys.types type
ON
col.user_type_id = type.user_type_id
group
by
tab.
name
ORDER
BY
tab.
name
|
二、查出某个库的所有字段说明
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USE database_name
GO
SELECT
tab.
name
AS
tableName,
col.
name
AS
column_name,
per.value
AS
column_comment,
col.is_identity
AS
column_key,
type.
name
AS
data_type,
col.max_length
AS
column_length
FROM
sys.columns col
INNER
JOIN
sys.tables tab
ON
col.object_id = tab.object_id
LEFT
JOIN
sys.extended_properties per
ON
col.column_id = per.minor_id
AND
per.major_id = tab.object_id
INNER
JOIN
sys.types type
ON
col.user_type_id = type.user_type_id
ORDER
BY
tab.
name
,
col.is_identity
DESC
|
二、查出某个库的所有字段说明(查出数据详细格式化版)
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USE database_name
GO
SELECT
表名=
case
when
a.colorder=1
then
d.
name
else
''
end
,
表说明=
case
when
a.colorder=1
then
isnull
(f.value,
''
)
else
''
end
,
字段序号=a.colorder,
字段名=a.
name
,
标识=
case
when
COLUMNPROPERTY( a.id,a.
name
,
'IsIdentity'
)=1
then
'√'
else
''
end
,
主键=
case
when
exists(
SELECT
1
FROM
sysobjects
where
xtype=
'PK'
and
name
in
(
SELECT
name
FROM
sysindexes
WHERE
indid
in
(
SELECT
indid
FROM
sysindexkeys
WHERE
id = a.id
AND
colid=a.colid
)))
then
'√'
else
''
end
,
类型=b.
name
,
占用字节数=a.length,
长度=COLUMNPROPERTY(a.id,a.
name
,
'PRECISION'
),
小数位数=
isnull
(COLUMNPROPERTY(a.id,a.
name
,
'Scale'
),0),
允许空=
case
when
a.isnullable=1
then
'√'
else
''
end
,
默认值=
isnull
(e.text,
''
),
字段说明=
isnull
(g.[value],
''
)
FROM
syscolumns a
left
join
systypes b
on
a.xtype=b.xusertype
inner
join
sysobjects d
on
a.id=d.id
and
d.xtype=
'U'
and
d.
name
<>
'dtproperties'
left
join
syscomments e
on
a.cdefault=e.id
left
join
sys.extended_properties g
on
a.id=g.major_id
AND
a.colid = g.minor_id
left
join
sys.extended_properties f
on
d.id=f.major_id
and
f.minor_id=0
order
by
a.id,a.colorder
|
本文转自 独孤环宇 51CTO博客,原文链接:http://blog.51cto.com/snowtiger/1929112