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POdisplay all records on outer join
 

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  1. POdisplay all records on outer join
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    <p>I have one table where for a particular project, dates for 9 months are stored (given below)</p> <pre><code>01-01-13 50036 027490101 WO12PS00003 01-02-13 50036 027490101 WO12PS00003 01-03-13 50036 027490101 WO12PS00003 01-04-13 50036 027490101 WO12PS00003 01-05-13 50036 027490101 WO12PS00003 01-06-13 50036 027490101 WO12PS00003 01-07-13 50036 027490101 WO12PS00003 01-08-13 50036 027490101 WO12PS00003 01-09-13 50036 027490101 WO12PS00003 </code></pre> <p>i have and another table where the weight is present only for few months.i want the final output to be like (to display all months and wt as 0 for those where data is not present in the second table)</p> <pre><code> projec sl tech_no mon yr wt ident dt 027490101 35 WO12PS00003 01 2014 200 50036 01-01-13 027490101 35 WO12PS00003 02 2014 0 50036 01-02-13 027490101 35 WO12PS00003 09 2013 107 50036 01-03-13 027490101 35 WO12PS00003 10 2013 0 50036 01-04-13 027490101 35 WO12PS00003 11 2013 0 50036 01-05-13 027490101 36 WO12PS00003 02 2014 200 50036 01-06-13 027490101 36 WO12PS00003 12 2013 400 50036 01-07-13 027490101 77 WO12PS00003 11 2013 0 50036 01-08-13 027490101 77 WO12PS00003 12 2013 3321 50036 01-09-13 </code></pre> <p>my query was: </p> <pre><code>select a.projec,sl,a.tech_no,a.mon,a.yr,nvl(sum(a.wt),0) plan_sum ,b.ident,b.dt from pp_init_plan a,pp_mon b where a.projec=b.projec and a.sl=b.sl and and to_Char(b.dt(+),'yyyy')=yr and to_char(b.dt(+),'mm') =a.mon group by a.projec,a.slno,a.tech_no,a.mon,a.yr,b.ident,b.dt order by a.tech_no,a.mon,a.yr,b.ident,b.dt </code></pre> <p>It did not work! Just returned the matching records. please help!Thanks in advance!</p>
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      1. POdisplay all records on outer join
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