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Union Query with Union Criteria

36 New Member
Is it possible to create a union query that contains criteria from another union query?

I would like the query to only display the order numbers from TeamUnions that are either contained in FromMortASA and FromMortO.

Is that possible?

SELECT [order_num], [employee_id], [from_order_step _num], [to_order_step_n um], [move_time], [from_step_durat ion_sec]
FROM [dbo_FromMortO]
WHERE [order_num]=[TeamUnions].[order_number]
SELECT [order_num],[employee_id], [from_order_step _num], [to_order_step_n um], [move_time], [from_step_durat ion_sec]
FROM [dbo_FromMortAsA]
WHERE [order_num]=[TeamUnions].[order_number];
?? I'm sure that is wrong.
Oct 10 '07 #1
5 2599
2,653 Recognized Expert Specialist
Hi, there.

Did you try this or read Access help topic "UNION operation"
By default, no duplicate records are returned when you use a UNION operation; however, you can include the ALL predicate to ensure that all records are returned.
Oct 10 '07 #2
36 New Member
Hi, there.

Did you try this or read Access help topic "UNION operation"

Yes I have done both. What i'm trying to accomplish is to only Union the data from 2 tables that match the Order numbers from another Union Query.
Oct 11 '07 #3
2,653 Recognized Expert Specialist
Hi, there.

Make joins and union them. Like this.

Expand|Select|Wrap|Line Numbers
  1. SELECT [dbo_FromMortO].[order_num], [dbo_FromMortO].[employee_id], [dbo_FromMortO].[from_order_step_num], [dbo_FromMortO].[to_order_step_num], [dbo_FromMortO].[move_time], [dbo_FromMortO].[from_step_duration_sec]
  2. FROM [dbo_FromMortO] INNER JOIN [TeamUnions] ON
  3. WHERE [dbo_FromMortO].[order_num]=[TeamUnions].[order_number]
  4. UNION
  5. SELECT [dbo_FromMortAsA].[order_num], [dbo_FromMortAsA].[employee_id], [dbo_FromMortAsA].[from_order_step_num], [dbo_FromMortAsA].[to_order_step_num], [dbo_FromMortAsA].[move_time], [dbo_FromMortAsA].[from_step_duration_sec]
  6. FROM [dbo_FromMortAsA] INNER JOIN [TeamUnions] ON
  7. WHERE [dbo_FromMortAsA].[order_num]=[TeamUnions].[order_number];
Oct 11 '07 #4
36 New Member
Hi, there.

Make joins and union them. Like this.
Thanksf or the tip. I ended up getting it to work:

SELECT dbo_FromMortO.o rder_num, dbo_FromMortO.e mployee_id, dbo_FromMortO.f rom_order_step_ num, dbo_FromMortO.t o_order_step_nu m, dbo_FromMortO.m ove_time, dbo_FromMortO.f rom_step_durati on_sec
FROM dbo_FromMortO INNER JOIN TeamUnions ON dbo_FromMortO.o rder_num=TeamUn ions.order_numb er
WHERE dbo_FromMortO.o rder_num=TeamUn ions.order_numb er;
UNION SELECT dbo_FromMortAsA .order_num, dbo_FromMortAsa .employee_id, dbo_FromMortAsa .from_order_ste p_num, dbo_FromMortAsa .to_order_step_ num, dbo_FromMortAsA .move_time, dbo_FromMortAsA .from_step_dura tion_sec
FROM dbo_FromMortAsA INNER JOIN TeamUnions ON dbo_FromMortAsA .order_num=Team Unions.order_nu mber
WHERE dbo_FromMortAsA .order_num=Team Unions.order_nu mber;
Oct 11 '07 #5
2,653 Recognized Expert Specialist
You are welcome.

Best regards,
Oct 11 '07 #6

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