sqlserver语句显示表字段（SQL Server查找表名或列名中包含空格的表和列实例代码）

USE TEST;
GO
 
--表TEST_COLUMN中两个字段都包含有空格
CREATE TABLE TEST_COLUMN 
(
 "ID " INT IDENTITY (1,1),
 [Name ] VARCHAR(32),
 [Normal] VARCHAR(32)
);
GO
 
--表[TEST_TABLE ]中包含空格， 里面对应三个字段，一个前面包含空格（后面详细阐述），一个字段中间包含空格，一个字段后面包含空格。
CREATE TABLE [TEST_TABLE ]
(
 
 [ F_NAME] NVARCHAR(32),
 [M NAME]  NVARCHAR(32),
 [L_NAME ] NVARCHAR(32)
)
GO

 DATALENGTH(name) = 2* LEN(name)

SELECT name ,
 DATALENGTH(name) AS NAME_BYTES ,
 LEN(name)  AS NAME_CHARACTER
FROM sys.columns
WHERE object_id = OBJECT_ID('TEST_COLUMN');
 

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IF OBJECT_ID('tempdb.dbo.#TabColums') IS NOT NULL
 DROP TABLE dbo.#TabColums;
 
CREATE TABLE #TabColums
(
 object_id   INT ,
 column_id   INT
)
 
INSERT INTO #TabColums
SELECT object_id ,
  column_id
FROM sys.columns
WHERE DATALENGTH(name) != LEN(name) * 2
 
 
SELECT 
 TL.name AS TableName,
 C.Name AS FieldName,
 T.Name AS DataType,
 DATALENGTH(C.name) AS COLUMN_DATALENGTH,
 LEN(C.name) AS COLUMN_LENGTH,
 CASE WHEN C.Max_Length = -1 THEN 'Max' ELSE CAST(C.Max_Length AS VARCHAR) END AS Max_Length,
 CASE WHEN C.is_nullable = 0 THEN '×' ELSE N'√' END AS Is_Nullable,
 C.is_identity,
 ISNULL(M.text, '') AS DefaultValue,
 ISNULL(P.value, '') AS FieldComment
 
FROM sys.columns C
INNER JOIN sys.types T ON C.system_type_id = T.user_type_id
LEFT JOIN dbo.syscomments M ON M.id = C.default_object_id
LEFT JOIN sys.extended_properties P ON P.major_id = C.object_id AND C.column_id = P.minor_id 
INNER JOIN sys.tables TL ON TL.object_id = C.object_id
INNER JOIN #TabColums TC ON C.object_id = TC.object_id AND c.column_id = TC.column_id
ORDER BY C.Column_Id ASC

SELECT * FROM sys.columns WHERE NAME LIKE ' %' --字段前面包含空格。

DECLARE @db_name NVARCHAR(32);
DECLARE @sql_text NVARCHAR(MAX);
 
DECLARE @db TABLE 
(
 database_name NVARCHAR(64)
);
 
IF OBJECT_ID('tempdb.dbo.#TabColums') IS NOT NULL
 
 DROP TABLE dbo.#TabColums;
 
CREATE TABLE #TabColums
(
 object_id   INT ,
 column_id   INT
);
 
 
INSERT INTO @db
SELECT name FROM sys.databases WHERE state_desc='ONLINE' AND database_id !=2;
 
 
WHILE (1=1)
BEGIN
 SELECT TOP 1 @db_name = database_name FROM @db ORDER BY 1;
 
 IF @@ROWCOUNT = 0 RETURN;
 
 SET @sql_text =N'USE ' + @db_name +';
      TRUNCATE TABLE #TabColums;
 
 
     INSERT INTO #TabColums
     SELECT object_id ,
       column_id
     FROM sys.columns
     WHERE DATALENGTH(name) != LEN(name) * 2;
    
     SELECT ''' + @db_name + ''' AS DatabaseName,
       TL.name AS TableName ,
       C.name AS FieldName ,
       T.name AS DataType ,
       DATALENGTH(C.name) AS COLUMN_DATALENGTH ,
       LEN(C.name) AS COLUMN_LENGTH ,
       CASE WHEN C.max_length = -1 THEN ''Max''
         ELSE CAST(C.max_length AS VARCHAR)
       END AS Max_Length ,
       CASE WHEN C.is_nullable = 0 THEN ''×''
         ELSE ''√''
       END AS Is_Nullable ,
       C.is_identity ,
       ISNULL(M.text, '''') AS DefaultValue ,
       ISNULL(P.value, '''') AS FieldComment
     FROM sys.columns C
       INNER JOIN sys.types T ON C.system_type_id = T.user_type_id
       LEFT JOIN dbo.syscomments M ON M.id = C.default_object_id
       LEFT JOIN sys.extended_properties P ON P.major_id = C.object_id
                 AND C.column_id = P.minor_id
       INNER JOIN sys.tables TL ON TL.object_id = C.object_id
       INNER JOIN #TabColums TC ON C.object_id = TC.object_id
              AND C.column_id = TC.column_id
     ORDER BY C.column_id ASC;';
  PRINT(@sql_text);
 
  EXECUTE(@sql_text);
 
  DELETE FROM @db WHERE database_name=@db_name;
 
END
 
TRUNCATE TABLE #TabColums;
DROP TABLE #TabColums;

DECLARE @db_name NVARCHAR(32);
DECLARE @sql_text NVARCHAR(MAX);
 
DECLARE @db TABLE 
(
 database_name NVARCHAR(64)
);
 
 
 
INSERT INTO @db
SELECT name FROM sys.databases WHERE state_desc='ONLINE' AND database_id !=2;
 
 
WHILE (1=1)
BEGIN
 SELECT TOP 1 @db_name = database_name FROM @db ORDER BY 1;
 
 IF @@ROWCOUNT = 0 RETURN;
 
 SET @sql_text =N'USE ' + @db_name +';
 
         
     SELECT ''' + @db_name + ''' as database_name, name, 
       DATALENGTH(name) as table_name_bytes,
       LEN(name)   as table_name_character,
       type_desc,create_date,modify_date 
     FROM sys.tables
     WHERE DATALENGTH(name) != LEN(name) * 2;
     ';
  PRINT(@sql_text);
 
  EXECUTE(@sql_text);
 
  DELETE FROM @db WHERE database_name=@db_name;
 
END