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请教:怎么查询库中所有表 所有记录中带有回车换行符号

2012-04-02 
请问:如何查询库中所有表 所有记录中带有回车换行符号有个数据库,作了一些数据导入,由于是从excel导入的,

请问:如何查询库中所有表 所有记录中带有回车换行符号

有个数据库,作了一些数据导入,由于是从excel导入的,不小心把excel中的回车换行符,导进来了。
在数据库系统中,做了好多业务操作,导致很多表的某些字段的值有 回车换行符的记录行。

现在,要把这些带有回车换行符的 表的记录找出来。

请高手指点。

[解决办法]

SQL code
--小梁滴CREATE PROCEDURE dbo.FindString    @string NVARCHAR(100)AS    DECLARE @SQL NVARCHAR(4000);    SET @SQL = N'            DECLARE @str NVARCHAR(4000);            SELECT                @str = ISNULL(@str + N'' OR '' + c.name + N'' LIKE N''''%'                                                 + @string + ' %'''''',                               c.name + N'' LIKE N''''%' + @string +'%'''''') FROM syscolumns AS c JOIN systypes AS t ON c.id=OBJECT_ID(''?'')                AND c.xtype=t.xtype                AND t.name IN(''varchar'',''char'',''nvarchar'',''nchar'');            SET @str = ''SELECT TOP 1 1 FROM ? WHERE ''+@str;            CREATE TABLE #tb(a int);            INSERT #tb(a) EXEC(@str);            IF EXISTS(SELECT * FROM #tb)                PRINT ''?''        ';    EXEC sp_MsforeachTable @SQL;GO--查询declare @str varchar(20)select @str = char(13)+char(10)EXEC dbo.FindString @str
[解决办法]
查字符可以 不知道查char(13)怎么查
SQL code
------------------第一种方法---------------------- 

CREATE PROC sp_ValueSearch
@value sql_variant,  --要搜索的数据
@precision bit=1  --1=仅根据sql_variant中的数据类型查找对应类型的数据列. <>1,查询兼容的所有列,字符数据使用like匹配
AS
SET NOCOUNT ON
IF @value IS NULL RETURN

--数据类型处理
SELECT xtype INTO #t FROM systypes
WHERE name=SQL_VARIANT_PROPERTY(@value,N'BaseType')

--扩展数据类型及查询处理语句
DECLARE @sql nvarchar(4000),@sql1 nvarchar(4000)
IF @precision=1
  SET @sql=CASE SQL_VARIANT_PROPERTY(@value,N'BaseType')
    WHEN N'text' THEN N' LIKE N''%''+CAST(@value as varchar(8000))+''%'''
    WHEN N'ntext' THEN N' LIKE ''%''+CAST(@value as nvarchar(4000))+''%'''
    ELSE N'=@value' END
ELSE
BEGIN
  SET @sql=CAST(SQL_VARIANT_PROPERTY(@value,N'BaseType') as sysname)
  IF @sql LIKE N'%char' or @sql LIKE N'%text'
  BEGIN
    INSERT #t SELECT xtype FROM systypes
    WHERE name LIKE N'%char' or name LIKE N'%text'
    SELECT @sql=N' LIKE N''%''+CAST(@value as '
      +CASE
        WHEN LEFT(@sql,1)=N'n' THEN ' nvarchar(4000)'
        ELSE 'varchar(8000)' END
      +N')+N''%'''
  END
  ELSE IF @sql LIKE N'%datetime'
  BEGIN
    INSERT #t SELECT xtype FROM systypes
    WHERE name LIKE N'%datetime'
    SET @sql=N'=@value' 
  END
  ELSE IF @sql LIKE N'%int'
    OR @sql LIKE N'%money'
    OR @sql IN(N'real',N'float',N'decimal',N'numeric')
  BEGIN
    INSERT #t SELECT xtype FROM systypes
    WHERE name LIKE N'%int'
      OR name LIKE N'%money'
      OR name IN(N'real',N'float',N'decimal')
    SET @sql=N'=@value' 
  END
  ELSE
    SET @sql=N'=@value'
END
--保存结果的临时表
CREATE TABLE #(TableName sysname,FieldName sysname,Type sysname,SQL nvarchar(4000))


DECLARE tb CURSOR LOCAL
FOR
SELECT N'SELECT * FROM '
  +QUOTENAME(USER_NAME(o.uid))
  +N'.'+QUOTENAME(o.name)
  +N' WHERE '+QUOTENAME(c.name)
  +@sql,
  N'INSERT # VALUES(N'+QUOTENAME(o.name,N'''')
  +N',N'+QUOTENAME(c.name,N'''')
  +N',N'+QUOTENAME(QUOTENAME(t.name)+CASE
    WHEN t.name IN (N'decimal',N'numeric')
    THEN N'('+CAST(c.prec 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(c.prec as varchar)+N')'
    ELSE N'' END,N'''')
  +N',@sql)'
FROM sysobjects o,syscolumns c,systypes t,#t tt
WHERE o.id=c.id
  AND c.xusertype=t.xusertype
  AND t.xtype=tt.xtype
  AND OBJECTPROPERTY(o.id,N'IsUserTable')=1

OPEN tb
FETCH tb INTO @sql,@sql1
WHILE @@FETCH_STATUS=0
BEGIN
  SET @sql1=N'IF EXISTS('+@sql+N') '+@sql1
  EXEC sp_executesql @sql1,N'@value sql_variant,@sql nvarchar(4000)',@value,@sql
  FETCH tb INTO @sql,@sql1
END
CLOSE tb
DEALLOCATE tb
SELECT * FROM #

exec sp_ValueSearch '要搜索的值',1 --1或不输入(即默认值1)精确匹配
exec sp_ValueSearch '要搜索的值',0 --不等于1,模糊匹配

---------------第二种方法------------------

Create  PROC xb_GetTableNameAndColNameForValue
@value varchar(200)
AS
--求test库中包含值为@value的表和列名

--存储表名和列名
IF object_id('tabss') IS NOT NULL
exec('drop table tabss')
CREATE TABLE Tabss(id int identity(1,1),tabname varchar(100),colName varchar(100))

--查询某表某列是否包含某个值
IF object_id('ysgs') IS NOT NULL
exec('drop proc ysgs')
exec('create PROC ysgs(@tab varchar(100),@col varchar(100))
AS
exec(''select 1 from ''+@tab+'' where ''+@col+'' like ''''%'+@value+'%'''''')')

--将结果存入tabss表中
EXEC master.dbo.xp_execresultset 'SELECT ''exec ysgs ''''''+object_name(id)+'''''',''''''+name+'''''';if @@rowcount>0  insert tabss (colname,tabname)values(''''''+name+'''''',''''''+object_name(id)+'''''')'' FROM syscolumns s WHERE xtype in(SELECT xtype FROM systypes s2 WHERE name in(''char'',''varchar'',''nchar'',''nvarchar''))
AND id in(SELECT id FROM sysobjects s2 WHERE xtype=''u'')',N'test'


GO


/*调用
exec xb_GetTableNameAndColNameForValue 'aa_1'
SELECT * FROM tabss
*/

------------------------第三种方法---------------------
declare @name nvarchar(100)
declare cur cursor for select name from sysobjects where type = 'U'
open cur
fetch next from cur into @name
WHILE @@FETCH_STATUS = 0
begin

  declare @sql nvarchar(500),@s varchar(500)
  set @s =''
  set @sql='select @s=isnull(@s+''+'','''')+'''''',''''''+''+cast(''+name+'' as varchar)'' from syscolumns where id=object_id('''+@name+''') and xtype in(175,239,99,231,35,167) '


  exec sp_executesql @sql,N'@s varchar(500) out',@s out
  if len(@s) > 0
    exec ('if exists(select 1 from (select '+ @s+' as col from ['+@name+']) b where charindex(''aa'',col)>0) print '''+@name+'''')
  fetch next from cur into @name
end
close cur
DEALLOCATE cur

------第4种方法---------(来自小梁)

CREATE TABLE tb(id int,col varchar(20))
CREATE TABLE tb2(id int,data varchar(20))

INSERT tb VALUES(1,'中国');
INSERT tb VALUES(2,'liangck')

INSERT tb2 VALUES(1,'China')
GO

CREATE PROCEDURE dbo.FindString
  @string NVARCHAR(100)
AS

  DECLARE @SQL NVARCHAR(4000);
  SET @SQL = N'
      DECLARE @str NVARCHAR(4000);
      SELECT
        @str = ISNULL(@str + N'' OR '' + c.name + N'' LIKE N''''%'
                        + @string + ' %'''''',
              c.name + N'' LIKE N''''%' + @string +'%'''''') FROM syscolumns AS c JOIN systypes AS t ON c.id=OBJECT_ID(''?'')
        AND c.xtype=t.xtype
        AND t.name IN(''varchar'',''char'',''nvarchar'',''nchar'');

      SET @str = ''SELECT TOP 1 1 FROM ? WHERE ''+@str;
      CREATE TABLE #tb(a int);
      INSERT #tb(a) EXEC(@str);
      IF EXISTS(SELECT * FROM #tb)
        PRINT ''?''
    ';
  EXEC sp_MsforeachTable @SQL;
GO

EXEC dbo.FindString N'中国'

GO
DROP PROCEDURE dbo.FindString
DROP TABLE tb,tb2


本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/fredrickhu/archive/2009/09/20/4574197.aspx

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