SQL Syntax for Inner Join Duplicate Tables

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March 28th, 2005, 10:48 AM

aei_bguenth

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SQL Syntax for Inner Join Duplicate Tables

I am new to the Firebird database and am more familiar with MS access. I am currently reviewing a database conversion using select statements. I have the below select statement that works in MS access. It runs in firebirds but does not provide the desired results.

From MS Access:

SELECT
ALTERNATES_PARTS_MASTER.APM_AUTO_KEY, ALTERNATES_PARTS_MASTER.PNM_AUTO_KEY,
PARTS_MASTER.PN, PARTS_MASTER.DESCRIPTION, ALTERNATES_PARTS_MASTER.ALT_PNM_AUTO_KEY,
PARTS_MASTER_1.PN, PARTS_MASTER_1.DESCRIPTION
FROM
(ALTERNATES_PARTS_MASTER INNER JOIN PARTS_MASTER ON ALTERNATES_PARTS_MASTER.PNM_AUTO_KEY =
PARTS_MASTER.PNM_AUTO_KEY)
INNER JOIN PARTS_MASTER AS PARTS_MASTER_1 ON
ALTERNATES_PARTS_MASTER.ALT_PNM_AUTO_KEY = PARTS_MASTER_1.PNM_AUTO_KEY
ORDER BY
ALTERNATES_PARTS_MASTER.APM_AUTO_KEY, ALTERNATES_PARTS_MASTER.PNM_AUTO_KEY;

MS Access Results:

2 14402 MS24264R18B31SN CONNECTOR, RCPT 31-S 14398 MS24264R18B31S CONNECTOR, RCPT 31-S

4 14402 MS24264R18B31SN CONNECTOR, RCPT 31-S 11650 BACC45FN18-31SN CONNECTOR, RECEPTACL

6 11719 BACC47DE7A CONTACT, PIN 1594 217-1220-332 CONTACT, PIN 20AWG

8 11719 BACC47DE7A CONTACT, PIN 11718 BACC47DE7 CONTACT

However the same query run in Firebird does not provide the correct part number /description for keys 4 and 6

SELECT
ALTERNATES_PARTS_MASTER.APM_AUTO_KEY, ALTERNATES_PARTS_MASTER.PNM_AUTO_KEY,
PARTS_MASTER.PN, PARTS_MASTER.DESCRIPTION, ALTERNATES_PARTS_MASTER.ALT_PNM_AUTO_KEY,
PARTS_MASTER_1.PN, PARTS_MASTER_1.DESCRIPTION
FROM
(ALTERNATES_PARTS_MASTER INNER JOIN PARTS_MASTER ON ALTERNATES_PARTS_MASTER.PNM_AUTO_KEY =
PARTS_MASTER.PNM_AUTO_KEY)
INNER JOIN PARTS_MASTER PARTS_MASTER_1 ON
ALTERNATES_PARTS_MASTER.ALT_PNM_AUTO_KEY = PARTS_MASTER_1.PNM_AUTO_KEY
ORDER BY
ALTERNATES_PARTS_MASTER.APM_AUTO_KEY, ALTERNATES_PARTS_MASTER.PNM_AUTO_KEY;

Results from the above querry:

2 14402 MS24264R18B31SN CONNECTOR, RCPT 31-S 14398 MS24264R18B31S CONNECTOR, RCPT 31-S

4 14402 BACC45FN18-31SN CONNECTOR, RECEPTACL 11650 BACC45FN18-31SN CONNECTOR, RECEPTACL

6 11719 217-1220-332 CONTACT, PIN 20AWG 1594 217-1220-332 CONTACT, PIN 20AWG

8 11719 BACC47DE7A CONTACT, PIN 11718 BACC47DE7 CONTACT

Can anyone help? I would also be interested in any links to documents that indicate SQL syntax applicable to Firebire databases.

Thanks,

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