2005

整理的
SELECT 
    tableName=O.name,
    tableDesc=isnull(PTB.value,''),
    owner=USER_NAME(O.schema_id),
    fieldOrder=C.column_id,
    fieldName=C.name,
    isIdentity=CASE WHEN C.is_identity=1 THEN N'是'ELSE N'' END,
    primarykey=ISNULL(IDX.PrimaryKey,N''),
    type=T.name,
    fieldType=QUOTENAME(T.name) + CASE WHEN T.name IN (N'decimal',N'numeric') THEN N' ('+CAST(C.precision as varchar)+N',' + CAST(C.scale as varchar)+N')' WHEN T.name=N'float' OR T.name like N'%char' OR T.name like N'%binary' THEN N' ('+CAST(COLUMNPROPERTY(C.object_id,C.name,'PRECISION') as varchar)+N')' ELSE N'' END,
    bytes=C.max_length,
    length=COLUMNPROPERTY(C.object_id,C.name,'PRECISION'),
    decimalDigit=isnull(COLUMNPROPERTY(C.object_id,C.name,'Scale'),0),
    allowNull=CASE WHEN C.is_nullable=1 THEN N'是' ELSE N'' END,
    defaultVal=CAST(ISNULL(D.definition,N'') as varchar),
    fieldDesc=ISNULL(PFD.[value],N''),
    createDate=O.Create_Date,
    modifyDate=O.Modify_date,
    isComputed=CASE WHEN C.is_computed=1 THEN N'是' ELSE N'' END,
    IndexName=ISNULL(IDX.IndexName,N''),
    IndexSort=ISNULL(IDX.Sort,N''),
    xtype=isnull(K.type,N'')
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
    LEFT JOIN sys.extended_properties PTB ON PTB.class=1 AND PTB.minor_id=0 AND C.[object_id]=PTB.major_id
    LEFT JOIN
    (
    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'是'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
        (
        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
    left join sys.key_constraints K ON K.name = IDX.IndexName and K.parent_object_id = O.[object_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


SELECT 
Column_id=C.column_id,
ColumnName=C.name,
PrimaryKey=ISNULL(IDX.PrimaryKey,N''),
[IDENTITY]=CASE WHEN C.is_identity=1 THEN N'是'ELSE N'' END,
Computed=CASE WHEN C.is_computed=1 THEN N'是'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'是'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'是'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'TestTable' -- 如果只查询指定表,加上此条件
ORDER BY O.name,C.column_id