查询表名描述 MS_Description
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SELECT
tbs.
name
表名,ds.value 描述
FROM
sys.extended_properties ds
LEFT
JOIN
sysobjects tbs
ON
ds.major_id=tbs.id
WHERE
ds.minor_id=0
and
tbs.
name
=
'ScheduleRecords'
;
--表名
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添加表的描述
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EXECUTE
sp_addextendedproperty N
'MS_Description'
, N
'菜单表'
, N
'user'
, N
'dbo'
, N
'table'
, N
'Menus'
,
NULL
,
NULL
;
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更新表的描述
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EXECUTE
sp_updateextendedproperty N
'MS_Description'
, N
'菜单表'
, N
'user'
, N
'dbo'
, N
'table'
, N
'Menus'
,
NULL
,
NULL
;
|
查询表的外键
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SELECT
tbs.
name
表名,ds.value 描述
FROM
sys.extended_properties ds
LEFT
JOIN
sysobjects tbs
ON
ds.major_id=tbs.id
WHERE
ds.minor_id=0
and
tbs.
name
=
'ScheduleRecords'
;
--表名
WHERE
OBJECT_NAME(sysobjects.parent_obj)=
'Table Name'
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SQL查询表的所有字段的备注说明
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SELECT
TableName=
CASE
WHEN
C.column_id=1
THEN
O.
name
ELSE
N
''
END
,
TableDesc=
ISNULL
(
CASE
WHEN
C.column_id=1
THEN
PTB.[value]
END
,N
''
),
Column_id=C.column_id,
ColumnName=C.
name
,
PrimaryKey=
ISNULL
(IDX.PrimaryKey,N
''
),
[IDENTITY]=
CASE
WHEN
C.is_identity=1
THEN
N
'√'
ELSE
N
''
END
,
Computed=
CASE
WHEN
C.is_computed=1
THEN
N
'√'
ELSE
N
''
END
,
Type=T.
name
,
Length=C.max_length,
Precision
=C.
precision
,
Scale=C.scale,
NullAble=
CASE
WHEN
C.is_nullable=1
THEN
N
'√'
ELSE
N
''
END
,
[
Default
]=
ISNULL
(D.definition,N
''
),
ColumnDesc=
ISNULL
(PFD.[value],N
''
),
IndexName=
ISNULL
(IDX.IndexName,N
''
),
IndexSort=
ISNULL
(IDX.Sort,N
''
),
Create_Date=O.Create_Date,
Modify_Date=O.Modify_date
FROM
sys.columns C
INNER
JOIN
sys.objects O
ON
C.[object_id]=O.[object_id]
AND
O.type=
'U'
AND
O.is_ms_shipped=0
INNER
JOIN
sys.types T
ON
C.user_type_id=T.user_type_id
LEFT
JOIN
sys.default_constraints D
ON
C.[object_id]=D.parent_object_id
AND
C.column_id=D.parent_column_id
AND
C.default_object_id=D.[object_id]
LEFT
JOIN
sys.extended_properties PFD
ON
PFD.class=1
AND
C.[object_id]=PFD.major_id
AND
C.column_id=PFD.minor_id
-- AND PFD.name='Caption' -- 字段说明对应的描述名称(一个字段可以添加多个不同name的描述)
LEFT
JOIN
sys.extended_properties PTB
ON
PTB.class=1
AND
PTB.minor_id=0
AND
C.[object_id]=PTB.major_id
-- AND PFD.name='Caption' -- 表说明对应的描述名称(一个表可以添加多个不同name的描述)
LEFT
JOIN
-- 索引及主键信息
(
SELECT
IDXC.[object_id],
IDXC.column_id,
Sort=
CASE
INDEXKEY_PROPERTY(IDXC.[object_id],IDXC.index_id,IDXC.index_column_id,
'IsDescending'
)
WHEN
1
THEN
'DESC'
WHEN
0
THEN
'ASC'
ELSE
''
END
,
PrimaryKey=
CASE
WHEN
IDX.is_primary_key=1
THEN
N
'√'
ELSE
N
''
END
,
IndexName=IDX.
Name
FROM
sys.indexes IDX
INNER
JOIN
sys.index_columns IDXC
ON
IDX.[object_id]=IDXC.[object_id]
AND
IDX.index_id=IDXC.index_id
LEFT
JOIN
sys.key_constraints KC
ON
IDX.[object_id]=KC.[parent_object_id]
AND
IDX.index_id=KC.unique_index_id
INNER
JOIN
-- 对于一个列包含多个索引的情况,只显示第1个索引信息
(
SELECT
[object_id], Column_id, index_id=
MIN
(index_id)
FROM
sys.index_columns
GROUP
BY
[object_id], Column_id
) IDXCUQ
ON
IDXC.[object_id]=IDXCUQ.[object_id]
AND
IDXC.Column_id=IDXCUQ.Column_id
AND
IDXC.index_id=IDXCUQ.index_id
) IDX
ON
C.[object_id]=IDX.[object_id]
AND
C.column_id=IDX.column_id
--WHERE O.name=N'tablename' -- 如果只查询指定表,加上此条件
ORDER
BY
O.
name
,C.column_id
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