枚举数据库中所有表的列名
SELECT
CASE WHEN C.column_id = 1 THEN O.name ELSE N'' END AS TableName,--表名
C.column_id AS Column_id,--列序号
C.name AS ColumnName,--列表
ISNULL(PFD.value, N'') As Value,--列值
ISNULL(IDX_1.PrimaryKey, N'') AS PrimaryKey,--主键
CASE WHEN C.is_identity = 1 THEN N'√' ELSE N'' END AS [Identity],--是否自增列
T.name AS Type,--列类型
C.max_length AS Length,--列长度
C.precision AS Precision,--精确度
C.scale AS Scale,--小数位数
CASE WHEN C.is_nullable = 1 THEN N'√' ELSE N'' END AS NullAble,--是否为空
ISNULL(D.definition, N'') AS [Default],--默认值
ISNULL(IDX_1.IndexName, N'') AS IndexName,--索引名称
ISNULL(IDX_1.Sort, N'') AS IndexSort,--索引排序方式
O.create_date AS Create_Date,--创建时间
O.modify_date AS Modify_Date--最后修改时间
FROM
sys.columns AS C
INNER JOIN
sys.objects AS O ON C.object_id = O.object_id AND O.type = 'U' AND O.is_ms_shipped = 0
INNER JOIN
sys.types AS T ON C.user_type_id = T.user_type_id
LEFT OUTER JOIN
sys.default_constraints AS 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 OUTER JOIN
sys.extended_properties AS PFD ON PFD.class = 1 AND C.object_id = PFD.major_id AND C.column_id = PFD.minor_id
LEFT OUTER JOIN
( SELECT
IDXC.object_id,
IDXC.column_id,
CASE INDEXKEY_PROPERTY(IDXC.[object_id], IDXC.index_id, IDXC.index_column_id, 'IsDescending')
WHEN 1 THEN 'DESC' WHEN 0 THEN 'ASC' ELSE '' END AS Sort,
CASE WHEN IDX.is_primary_key = 1 THEN N'√' ELSE N'' END AS PrimaryKey, IDX.name AS IndexName
FROM
sys.indexes AS IDX
INNER JOIN
sys.index_columns AS IDXC ON IDX.object_id = IDXC.object_id AND IDX.index_id = IDXC.index_id ) AS IDX_1 ON C.object_id = IDX_1.object_id AND C.column_id = IDX_1.column_id
ORDER BY O.name, Column_id