SQL SERVER统计服务器所有的数据库（数据库文件）、表（表行数）、字段（各字段）等详细信息

USE STAT
GO
SET NOCOUNT ON 

IF EXISTS(SELECT 1 FROM SYS.TABLES WHERE TYPE='U' AND name='DBInfo')
	DROP TABLE DBInfo
IF EXISTS(SELECT 1 FROM SYS.TABLES WHERE TYPE='U' AND name='ColumnsInfo')
	DROP TABLE ColumnsInfo
IF EXISTS(SELECT 1 FROM SYS.TABLES WHERE TYPE='U' AND name='TableInfo')
	DROP TABLE TableInfo
IF EXISTS(SELECT 1 FROM SYS.TABLES WHERE TYPE='U' AND name='ProcInfo')
DROP TABLE ProcInfo
--数据库信息
SELECT D.name AS DBName,
       D.database_id,
	   D.create_date AS DBCreateDate,
	   MF.file_id,
	   MF.type_desc,
	   MF.NAME AS FileName,
	   MF.physical_name,
	   MF.size*8/1024 AS FileSize
	   into DBInfo
FROM SYS.databases D
INNER JOIN SYS.master_files MF
	ON D.database_id = MF.database_id
where D.database_id>4 
and D.name not in ('ReportServer','ReportServerTempDB','STAT')
ORDER BY D.database_id,MF.file_id

CREATE TABLE [dbo].[ColumnsInfo](
	[DBName] [varchar](95) NULL,
	[TableName] [nvarchar](128) NULL,
	[TableDesc] [sql_variant] NULL,
	[Column_id] [int] NULL,
	[ColumnName] [sysname] NULL,
	[PrimaryKey] [nvarchar](1) NULL,
	[IDENTITY] [nvarchar](1) NULL,
	[Computed] [nvarchar](1) NULL,
	[Type] [sysname] NULL,
	[Length] [smallint] NULL,
	[Precision] [tinyint] NULL,
	[Scale] [tinyint] NULL,
	[NullAble] [nvarchar](1) NULL,
	[Default] [nvarchar](max) NULL,
	[ColumnDesc] [sql_variant] NULL,
	[IndexName] [sysname] NULL,
	[IndexSort] [varchar](4) NULL,
	[Create_Date] [datetime] NULL,
	[Modify_Date] [datetime] NULL
) ON [PRIMARY] 

CREATE TABLE [dbo].[ProcInfo](
	[DBName] [varchar](83) NOT NULL,
	[ProcName] [sysname] NOT NULL,
	[object_id] [int] NOT NULL,
	[ProcModifyDate] [datetime] NOT NULL,
	[ProcCreateDate] [datetime] NOT NULL,
	[definition] [nvarchar](max) NULL
) ON [PRIMARY]


CREATE TABLE [dbo].[TableInfo](
	[DBName] [varchar](61) NULL,
	[TableName] [sysname] NULL,
	[object_id] [int] NULL,
	[table_createdate] [datetime] NULL,
	[table_modifydate] [datetime] NULL,
	[rows] [int] NULL
) ON [PRIMARY]


DECLARE @SQL NVARCHAR(MAX)
DECLARE @DBName NVARCHAR(50)
DECLARE TempCursor CURSOR
 FOR 
	SELECT DISTINCT DBName FROM  DBINFO
 OPEN TempCursor  
FETCH NEXT FROM TempCursor INTO @DBName
WHILE @@FETCH_STATUS=0
	BEGIN
		SET @SQL=N'
				USE '+@DBName+'
				--遍历各库的表信息
				;WITH CTE AS(
					SELECT id,rows 
					FROM SYS.sysindexes S
					WHERE indid<2)
				INSERT INTO STAT.DBO.TableInfo
				SELECT '''+@DBName+''' AS DBName,
					   O.name AS TableName,
					   O.object_id,
					   O.create_date as table_createdate,
					   O.modify_date as table_modifydate,
					   CTE.rows
	   
				  FROM SYS.objects O
				  INNER JOIN CTE
					ON CTE.ID=O.object_id
				  WHERE type=''U''  
				  order by DBName,TableName,table_modifydate desc

				--遍历各库的所有字段信息
				INSERT INTO STAT.DBO.ColumnsInfo
				SELECT 
					DBName='''+@DBName+''',
					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''要查询的表''       -- 如果只查询指定表,加上此条件
				ORDER BY DBName,O.name,C.column_id
				--遍历各库的存储过程及定义
				INSERT INTO STAT.dbo.ProcInfo
				SELECT '''+@DBName+''' AS DBName,
					   P.name AS ProcName,
					   P.object_id,
					   P.modify_date AS ProcModifyDate,
					   P.create_date AS ProcCreateDate,
					   SM.definition 
				FROM SYS.procedures P
				INNER JOIN SYS.sql_modules SM
					ON P.object_id = SM.object_id
				WHERE TYPE=''P''
				'
				--PRINT @SQL
				EXEC (@SQL)
		FETCH NEXT FROM TempCursor INTO @DBName
	END
	CLOSE TempCursor
	DEALLOCATE TempCursor