sql - Remove duplicates returning from join -


I am trying to join two tables. Each table has a unique ID, upon joining, many records have been returned (a lot of relationships). How can I avoid the duplication of records and get a match record?

The parameters used include email and date fields: 

  1.email, select 1.lead_id, 1.lead_date, 2.rdm_id in table_1 By joining table memory 1.email = 2.email and 1.lead_date = 2.post_date

Table 1: 

 email, Lead_id, lead_date 124@gmail.com, 1655535, 1/1/2013 124@gmail.com, 1655536, 1/1/2013

Table 2: 

 email, rdm_id, post_date 124@gmail.com, 3283370, 1/1/2013 124@gmail.com, 3283373, 1/1/2013

I like to have my output: < / P> 

 124@gmail.com, 1655535, 3283370, 1/1/2013 124@gmail.com, 1655536, 3283373, 1/1/2013

Worst Returning to domain: 

 124@gmail.com, 1655535, 3283370, 1/1/2013 124@gmail.com, 1655536, 3283370, 1/1/2013 124@gmail.com, 1655535 , 3283373, 1/1/2013 124@gmail.com, 1655536, 3283373, 1/1/2013

< P> Just use different or GRO to remove the duplicate. Choose 

  different ...

or 

  your_sql_query group by email, num1, number 2, date < / Code>

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