Question

I need to select the records wit columns in reverse order table structure.
For Example,
If My table struture is like this

class   name        rank  
------  ----------  ------
A       Nija             2
D       cruz             3
B       Antony           4
C       silverster       5
A       febin            1   

means I want the result as

  rank  name        class 
------  ----------  ------
     2  Nija        A     
     3  cruz        D     
     4  Antony      B     
     5  silverster  C     
     1  febin       A     

you can say that select the columns like rank,name,class. But My Table columns will increase in dynamically. I want the result if my table contains any number of columns but the result should be in reverse of the table structure. Here i ll select all columns only.

Answer 1

try this:

SET @myval=(select group_concat(COLUMN_NAME)from (
SELECT ORDINAL_POSITION, COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'Table1'
order by ORDINAL_POSITION desc) a);

SET @strsql=CONCAT('select ',@myval,' from Table1');

PREPARE stmt FROM @strsql; 
EXECUTE stmt;

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