sql server - How can I join 2 table with 2 join condition? -
does know how can join 2 table 2 join condition?
exmaple:
table 1 date name 2010-01-01 ken 2010-01-01 alvin 2010-01-03 alvin 2010-01-04 ken 2010-01-07 amy table 2 date name count 2010-01-01 ken 5 2010-01-01 alvin 4 2010-01-04 ken 1 2010-01-03 alvin 0
how can join table 1 , table 2 when: table1 date = table2 date , table1 name = table2 name
select t1.*, t2.* t1 join t2 on t1.date = t2.date , t1.name = t2.name
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