DECODE( ) function in SQL Server

Question

SELECT PC_COMP_CODE,
       \'R\',
       PC_RESUB_REF,
       DECODE(PC_SL_LDGR_CODE, \'02\', \'DR\', \'CR\'),
       PC_DEPT_NO DEPT,
       \'\', --PC_DEPT_NO,
           


        

Answer 1

join this "literal table",

select 
    t.c.value('@c', 'varchar(30)') code,
    t.c.value('@v', 'varchar(30)') val
from (select convert(xml, '') aXmlCol) z
cross apply aXmlCol.nodes('/x') t(c)