SQL Joins & joining 4 tables help.

Post Author: n8than1
CA Forum: Data Connectivity and SQL
Hello,  I'm trying to build a report to show orders shipped, and pull in costing information from my sales tables.  I have 4 tables I'm using data from, and I'm linking my shipping master and shipping items tables by a left outer join on shipper number.  I'm linking my sales master table and sales item table using a left outer join on sales order number.  Now I need to link the 4 tables together, and everything I try spits out duplicate line items. I'm linking my shipping master table to sales order master using a inner join on sales order number. here is a copy of my query: SELECT "sorels"."fmatlcost", "sorels"."fsetupcost", "sorels"."flabcost", "sorels"."fovhdcost", "sorels"."forderqty", "shmast"."fshipdate", "shitem"."fshipqty", "shitem"."fpartno", "somast"."fusercode", "shmast"."fcbcompany" FROM   (("<SQL Database>"."dbo"."somast" "somast" INNER JOIN "<SQL Database>"."dbo"."shmast" "shmast" ON "somast"."fsono"="shmast"."fcsono") LEFT OUTER JOIN "<SQL Database>"."dbo"."sorels" "sorels" ON "somast"."fsono"="sorels"."fsono") LEFT OUTER JOIN "<SQL Database>"."dbo"."shitem" "shitem" ON "shmast"."fshipno"="shitem"."fshipno" WHERE  ("shmast"."fshipdate">={ts '2007-11-01 00:00:00'} AND "shmast"."fshipdate"<{ts '2007-11-30 00:00:01'}) AND "shitem"."fpartno" NOT  LIKE 'PM%' ORDER BY "somast"."fusercode", "shmast"."fcbcompany"

Post Author: GraemeG
CA Forum: Data Connectivity and SQL
At a glance, the problem seems to be primarily that you are not giving enopugh information to your joins to limit the data displayed. If you added an order and shipment line number to the joins this may help. Just for fun, can you put the table structures here and I'll give it a whirl? Alternatively, email me a sample from all four tables and I'll put something together and send it back. Use graemeg AT falum DOT co DOT nz.
Cheers G

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    Regards
    Suresh

  • Joining 2 tables in oracle database using SQL

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    Hello,
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    It is also better to close the cursor and check if the select resulted in a row. With this code you will only retrieve one row even if the select will result in multiple rows.
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