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Tag: outer-join
Finding voters that did not vote in an election through a many to many relationship with MySQL
I have two tables linked through a many-to-any relationship. Table one contains all voters with an ID, table two contains all elections with an ID, and table three links both tables using their IDs. …
SQL Select from multiple tables and count third
I want to count number of rows in table that is referenced by two fields of other tables. I’ve the following structure Result that I want to achieve The statement that I’ve tried, but getting error at right join What I’m missing? Answer You are quite close. Main problems with your query: you…
Bigquery Full Join ON multiple conditions
I want to perform a Full Outer join on two tables with multiple conditions to result all the matching records along with unmatched records from both tables. Tbl1 is a bigger table with 21 M records and Tbl2 has 5k rows, like the example query below. But the outer join cannot be performed with OR conditions be…
LINQ to SQL – Left Outer Join with multiple join conditions
I have the following SQL, which I am trying to translate to LINQ: I have seen the typical implementation of the left outer join (ie. into x from y in x.DefaultIfEmpty() etc.) but am unsure how to introduce the other join condition (AND f.otherid = 17) EDIT Why is the AND f.otherid = 17 condition part of the J…