在当前账户下模糊查询是否有匹配的表以及定位字段是否存在、在哪个表中

Declare @db varchar(100)
Declare @dbID int =4
Declare @tabName varchar(100)='mask'
Declare @columnName varchar(100) = ''
Declare @FixDB varchar(100)='ProductDB'
--在所有的库中找一张表
while 1=1
Begin
Select Top 1 @db=name,@dbID=database_id From  Sys.databases where database_id>@dbID Order by database_id asc
--如果指定搜索的数据库，则跳过所有非指定数据库
If (@FixDB<>@db And  LEN(@FixDB)>2)
Continue
Begin try
if(LEN(@tabName)>0)
exec ( 'If Exists( Select '''+@db+''',* From '+@db+'.sys.tables(Nolock) where name like  ''%'+@tabName+'%'' )
Select '''+@db+''' DBName,* From '+@db+'.sys.tables(Nolock) where name like  ''%'+@tabName+'%''
')
if(LEN(@columnName)>0)
exec ( 'If Exists( Select C.name,O.name From '+@db+'.sys.columns(Nolock)  C
Inner Join '+@db+'.sys.objects O on C.object_id=O.object_id
where C.name like ''%'+@columnName+'%'')
Select '''+@db+''' DBName,O.name TableName,C.name ColumName From '+@db+'.sys.columns(Nolock)  C
Inner Join '+@db+'.sys.objects O on C.object_id=O.object_id
where C.name like ''%'+@columnName+'%''
 '
)
End try
Begin catch
Print @db
End catch

If (@FixDB=@db And  LEN(@FixDB)>2)--如果当前是指定的数据库，说明已经运行结束，跳出循环。
Break
IF((Select max(database_id) From  Sys.databases )=@dbID) --如果当前运行结束的数据库是最后一个，则说明运行结束，退出循环
break
End