查询表、字段信息

-----------------------------------------------------------------------------------------------------------------------------------------------------
use DSCSYS
go
DECLARE 
     @TableName nvarchar(100) = 'copTD'        
    ,@DataBase nvarchar(100) = 'TOPLED2015' 
    ,@sql nvarchar(4000)    
    ,@Where nvarchar(4000) = ' where '
set @sql = 'select MD001,MD003,MD004,MD005,MD006,MD007 from DSCSYS..ADMMD where MD001 = '+ '''' + 
            @TableName +  ''' and substring(MD003,1,2)  =  substring(''' + @TableName + ''',4,2)'
exec(@sql)

----------------------------------------------------------------------------------------------------------------------------------------------------
set @sql =  
    STUFF((SELECT ','+ rtrim(MD003) + ' as ''' +  rtrim(MD004) + ''''
            FROM ADMMD 
            where MD001 = @TableName and substring(MD003,1,2) = substring(@TableName,4,2)
            FOR xml path('')),1,1,'')  
set @sql =replace('select * from ','*',@sql) + @DataBase + '..' + @TableName    
exec(@sql)      
-------------------------------------------------------------------------------------------------------------------------------------------------------
select MD001,MD003,MD004,MD005,MD006,MD007,* from DSCSYS..ADMMD 
where MD001 = 'PURTC' and MD003 = 'UDF12'
update DSCSYS..ADMMD  set UDF01 = '质保年限'
where MD001 = 'PURTC' and MD003 = 'UDF12'

相关文章

这篇文章主要介绍“hive和mysql的区别是什么”,在日常操作中...
这篇“MySQL数据库如何改名”文章的知识点大部分人都不太理解...
这篇文章主要介绍“mysql版本查询命令是什么”的相关知识,小...
本篇内容介绍了“mysql怎么修改字段的内容”的有关知识,在实...
这篇文章主要讲解了“mysql怎么删除unique约束”,文中的讲解...
今天小编给大家分享一下mysql怎么查询不为空的字段的相关知识...