sql - How to make dynamic pivot for this table when I pass only one parameter @did int? -


i have 2 tables, @details , @contactdetails. in 2 tables, @details static table in contactid primary key, , foreign key @contactdetails

here tables data:

declare  @details table (contactid  int identity(1,1), value varchar(200))  insert @details     select  'phonenumber' union     select  'mobilenumber' union     select  'address1' union     select  'address2'  union     select  'employeename'  union     select  'employeeid'  declare  @contactdetails table (detailid int identity(1,1),                                  did int,                                 contactid int,                                  detailsvalue varchar(200)                                )  insert @contactdetails     select  1,5,'siva' union     select  1,6,'sia001' union     select  1,2,'9344139991' union     select  2,1,'245678' union     select  2,2,'1686597' union     select  2,5,'ganesh' union     select  1,3,'st-road'  select * @details

the output is:

contactid value ---------------------- 1         phonenumber 2         mobilenumber 3         address1 4         address2 5         employeename 6         employeeid   select * @contactdetails

the output second query is:

detailid did contactid detailsvalue ----------------------------------- 1        1   6         siva 2        1   5         sia001 3        1   2         9344139991 4        2   1         245678 5        2   2         1686597 6        2   5         ganesh 7        1   3         st-road

in @contactdetails column have value of did column used show 1 particular employee detail in stored procedure using

parameter @did int - tried query

declare @did int=1   select       (select value @details contactid=a.contactid)as contactid,      a.detailsvalue         @contactdetails             a.did=@did

which show result this

contactid   detailsvalue employeeid  siva employeename    sia001 mobilenumber    9344139991 address1    st-road

and trying output this

employeeid  employeename  mobilenumber   address1 sia001      siva          9344139991       st-road

can 1 plz me

the basic set if know value ahead of time be:

select * (   select c.did,     d.value,     c.detailsvalue   details d   inner join contactdetails c     on d.contactid = c.contactid ) src pivot (   max(detailsvalue)   value in (employeeid, employeename, address1,                 mobilenumber, phonenumber) ) piv;

see sql fiddle demo

the above gets of values if want implement dynamic sql filter result based on @did, use:

declare @cols nvarchar(max),     @query  nvarchar(max),     @did int  set @did = 1  select @cols = stuff((select ',' + quotename(d.value)                      details d                     inner join contactdetails c                       on d.contactid = c.contactid                     c.did = @did                     group d.value, c.detailid                     order c.detailid             xml path(''), type             ).value('.', 'nvarchar(max)')          ,1,1,'')  set @query = 'select ' + @cols + '                             (                 select                    d.value,                   c.detailsvalue                 details d                 inner join contactdetails c                   on d.contactid = c.contactid                 c.did = '+cast(@did varchar(10))+'             ) x             pivot              (                 max(detailsvalue)                 value in (' + @cols + ')             ) p '  execute(@query);

see sql fiddle demo


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