sql - Mysql Query perfomance. Which one is best? -
hi want know kind of queries multiple tables.
for eg:
select table1.id, table1.name table1,table2,table3 table1.id=table2.id , table2.id=table3.id
or
select table1.id, table1.name table1 inner join table2 on table1.id=table2.id inner join table3 on table2.id=table3.id 1
or
select table1.id, table1.name table1 join table2 on table1.id=table2.id join table3 on table2.id=table3.id 1
which kind of query best performance?
they should same. might want read corresponding section mysql manual (which syntax, not performance, however).
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