Re: Compare a column in two different tables/find the distance between column data

2016-03-15 Thread Suniti Singh
The data in the title is different, so to correct the data in the column requires to find out what is the correct data and then replace. To find the correct data could be tedious but if some mechanism is in place which can help to group the partially matched data then it might help to do the

Re: Compare a column in two different tables/find the distance between column data

2016-03-15 Thread Suniti Singh
Is it always the case that one title is a substring of another ? -- Not always. One title can have values like D.O.C, doctor_{areacode}, doc_{dep,areacode} On Mon, Mar 14, 2016 at 10:39 PM, Wail Alkowaileet wrote: > I think you need some sort of fuzzy join ? > Is it always

Re: Compare a column in two different tables/find the distance between column data

2016-03-15 Thread Akhil Das
You can achieve this with the normal RDD way. Have one extra stage in the pipeline where you will properly standardize all the values (like replacing doc with doctor) for all the columns before the join. Thanks Best Regards On Tue, Mar 15, 2016 at 9:16 AM, Suniti Singh

Re: Compare a column in two different tables/find the distance between column data

2016-03-14 Thread Wail Alkowaileet
I think you need some sort of fuzzy join ? Is it always the case that one title is a substring of another ? On Tue, Mar 15, 2016 at 6:46 AM, Suniti Singh wrote: > Hi All, > > I have two tables with same schema but different data. I have to join the > tables based on one

Compare a column in two different tables/find the distance between column data

2016-03-14 Thread Suniti Singh
Hi All, I have two tables with same schema but different data. I have to join the tables based on one column and then do a group by the same column name. now the data in that column in two table might/might not exactly match. (Ex - column name is "title". Table1. title = "doctor" and Table2.