sql - How to change subQuery to Co-related Subquery? -

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query

select firstname,     lastname adventureworks.person.contact inner join [adventureworks].[humanresources].[employee] b     on a.contactid = b.contactid b.employeeid in (         select salespersonid         adventureworks.sales.salesperson c         c.bonus = 5000)

how change above subquery co-related subquery?

i think you're looking for. move query from section , use join filter results based on same conditions had in where clause, except time reference result set (rs) returned subquery.

select firstname,     lastname adventureworks.person.contact inner join [adventureworks].[humanresources].[employee] b     on a.contactid = b.contactid inner join (select salespersonid         adventureworks.sales.salesperson c         c.bonus = 5000) rs on b.empoyeeid = rs.salespersonid

although functional, done easier , faster using join salesperson table directly.

select firstname,     lastname adventureworks.person.contact inner join [adventureworks].[humanresources].[employee] b     on a.contactid = b.contactid inner join salespersonid c      on b.empoyeeid = c.salespersonid     , c.bonus = 5000

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