Joining Two Tables, Based On Criteria

Dec 5, 2004

Hi,
This is my first question... please guide me

I have two tables say Daily and Master, and now I want to
update the Daily table and add two additional fields in this table
based on the data from the Master table.

Please suggest me..

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I have a number of tables with different metrics. However, they all have a "Date" field in common, broken out at the daily level. Since some of my tables have different start and end dates, I'd like missing values to simply appear as "N/A". How I would do this with SQL?

I've attached a screenshot of the layout I'm going for. Each metric field (i.e. "Metric1", etc.) would be pulled in from a different table.

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I have some experience doing 'Update Query' using two different tables but I'm having a hard time doing an 'Update Query' using 3 tables.

I have my source table TP05XY with the fields 'Mark' 'Date' 'UTM_Edig' and 'UTM_Ndig'. Mark and Date are my primary keys (they together uniquely ID each record). I have my Observations table with the fields 'Mark' 'Date' and 'Obs_ID'. The last table is Locations with 'Obs_ID' 'UTM_E' and 'UTM_N'.

I want to update my fields UTM_E and UTM_N from UTM_Edig and UTM_Ndig. However, to do so, I have to go from my TP05XY table, through Observations table to update Locations table. Table TP05XY is joined to Observations through 'Mark' and 'Date' and Observations table is linked to Locations through 'Obs_ID' field.

I have tried a few options without success ... anyone knows how to do it?

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Josée

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Sep 26, 2005

Dear all,

I would like to seek your help on this problem.

I would like to do a search for my records based on 2 different criterias. If found, the function should just return a boolean value so that I can act further based on the boolean value.

The reason I'm doing this is that I have 2 similar tables that contains EventID and AttendeeID and these 2 tables cannot have the same EventID and AttendeeID. So before I can allow a record to be inserted in the 1st table, it must check that there is no record in the 2nd table that has the same EventID and AttendeID. If there is, then i cannot allow the record to be inserted in the 1st table.

The same thing applies when I want to insert a record in the 2nd table. It must now check the first table.

Recordset.find seems to be only catering to 1 criteria, not 2.

Pls help. Codes are most welcome too.

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Oct 8, 2004

Ok. Here's the situation. I have query setup. This query has 2 columns:
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I have 2 tables.
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Table2: Includes all Sales From past to present.

We are setting up our system on Tiers and Each sale value is going to change. So, Here's what I need:
I need to run an update query that first Looks up all the records in Table1 based on Agent Name. The field that needs to be updated is called SaleValue. It needs to be updated with what's in my Query mentioned above.
Then, all the values in Table1, need to be copied (or updated) into Table2. This can be done based on the Primary Key (SaleID), which exists in both tables. So I guess we will need to run 2 separate update queries. Any ideas on how this can be done?

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I have two tables that will contain the information that I need the third table that will be used for constant data entry to auto fill in two of the fields (Class, Rate)based on four criteria from the first two.

Table 1
EmpID Name
1 EMP1
2 EMP2

Table 2 (A Subtable of Table1 based on EmpID)
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1 2/6/13 B 20 100 1A
2 1/6/13 A 18 100 1B

Table 3
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EMP1 2/5/13 100 1A A 15
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I have two tables linked by ID (Table1,Table2)

The Table1 holds data that is a request for a task.

ID, Request, Task_tms (the number of times the task is required to be done)

1, Make a cup of coffee,15

Table2 is my allocation of people to the tasks.

ID, Person, Task_done (the number of times this person has done the task)

1,Sally,10
1,Eddie,5

What I want to do is to limit the amounts of allocation in some way (ie in this case if I have already put 10 for Sally then I would be unable to put anymore than 5 when entering the amount for Eddie.

Additionally if I were to allocate all 15 to Sally then no additional people would be able to be allocated to this task (ID 1)

The two table are in datasheet format linked on a form.

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I want the lookup to be performed with criteria based off of the same row that record being selected is on.

I wrote typed out the Columns and rows that my queries return, and attached a screenshot as well.

You enter your phone number which provides you with an indexed location. Based off of that location only certain products are available and I want them to be filtered accordingly. I have it working to some extent, here is an example below:

|Site Name|Phone Number| Location |Products Available|
| Store 1 | 5044645521| KNNRLABR

The lookup displays products available where the indexed products match the same location. Here is what the query returns:

| Location |Products Available|
| KNNRLABR| Product 21 |
| KNNRLABR| Product 9|
| KNNRLABR| Product 7 |
| KNNRLABR| Product 3 |

This is the affect that I want to achieve but, if I add another location like so:

|Site Name|Phone Number| Location |Products Available|
| Store 1 | 5044645521 | KNNRLABR |
| Store 2 | 3609061624 | VANCWA01|

The lookup returns all products available for all the records for each location entered rather than based off of the selected record.

| Location |Products Available|
| KNNRLABR | Product 21 |
| KNNRLABR | Product 9 |
| KNNRLABR | Product 7 |
| KNNRLABR | Product 3 |
| VANCWA 01 | Product 31 |
| VANCWA 01 | Product 8 |
| VANCWA 01 | Product 4 |
| VANCWA 01 | Product 3 |
| VANCWA 01 | Product 1 |

Is there a way I can make the lookup run off of the location specific to the current row that I am working on?

P.S. Here is a copy of the SQL statement I'm using right now.

SELECT DISTINCTROW [DSL Product CLLI's].CLLI, [DSL Product CLLI's].Speed, [DSL Product CLLI's].CLLI
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Hi

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Telephone
Fax

Table 2 Fields :

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Telephone
Fax

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pat-uk-99585-63362 (from Table 2)
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ted-uk-44444-55555 (from Table 2)


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Can this be done?

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