ADO.NET Provider for Open Exchange Rates

Build 21.0.7930

JOIN Queries

The CData ADO.NET Provider for Open Exchange Rates supports standard SQL joins like the following examples.

Inner Join

An inner join selects only rows from both tables that match the join condition:

SELECT Latest.Value, Currencies.Name FROM Latest, Currencies WHERE Latest.Currency=Currencies.Currency

Left Join

A left join selects all rows in the FROM table and only matching rows in the JOIN table:

SELECT Latest.Value, Currencies.Name FROM Latest LEFT OUTER JOIN Currencies ON Latest.Currency=Currencies.Currency

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Build 21.0.7930