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SQL inner join: ORA-00904: "Bonus.site_name": invalid identifier?


SQL inner join: ORA-00904: "Bonus.site_name": invalid identifier?

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fish2884
fish2884
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SELECT *
FROM "Poker_Site" INNER JOIN "Bonus"
ON "Poker_Site.site_name" = "Bonus.site_name";

Whats wrong with this select query/ I have tried removing the quotes.

Bonus
bonus_name NVARCHAR2 200 - - No
sign_up_bouns NVARCHAR2 100 - - Yes
rake_back NUMBER 22 10 0 Yes
site_name NVARCHAR2 100 - - Yes

Poker Site
site_name NVARCHAR2 100 - - No
site_start DATE 7 - - No
coutry_origin VARCHAR2 70 - - Yes
Description VARCHAR2 500 - - Yes
Lowell
Lowell
One Orange Chip
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Group: General Forum Members
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In Oracle, Each Object can have double quotes. that means the table can have quotes, and it's column names can have quotes...but you can't wrap them all in-one..they each get their own.


so "Bonus"."site_name" is correct, but "Bonus.site_name" is not...it implies a single object that happens to have a period in it's name.

--Oracle

SELECT *
FROM "Poker_Site" INNER JOIN "Bonus"
ON "Poker_Site"."site_name" = "Bonus"."site_name";


--SQL equivilent
SELECT *
FROM [Poker_Site] INNER JOIN [Bonus]
ON [Poker_Site].[site_name] = [Bonus].[site_name];



Lowell

--
help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!

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