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ACCESS/SQL - Create query that combines all unique records from multiple tables


ACCESS/SQL - Create query that combines all unique records from multiple tables

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ACCESS/SQL - Create query that combines all unique records from multiple tables
Tag : sql , By : Edo
Date : November 29 2020, 04:01 AM

I wish this helpful for you Select from tables tblBOM and tblWO all the distinct values of Asset that don't exist in table tblAssets:
SELECT "Assets" AS [Source], * FROM [tblAssets]
UNION 
SELECT "BOM" AS [Source], [Asset], NULL, NULL, NULL, NULL, NULL, NULL FROM [tblBOM]
WHERE [Asset] NOT IN (SELECT DISTINCT [Asset] FROM [tblAssets])
UNION 
SELECT "WO" AS [Source], [Asset], NULL, NULL, NULL, NULL, NULL, NULL FROM [tblWO]
WHERE [Asset] NOT IN (SELECT DISTINCT [Asset] FROM [tblAssets])

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Access: Counting unique records in two joined tables


Tag : sql , By : Amit Battan
Date : March 29 2020, 07:55 AM
may help you . I have two tables that look like this: , To get the count of distinct clientids per rep per table you can use:
SELECT
    sourcetable,
    rep,
    count(clientid)
FROM    
    (
        SELECT
            "table 1" as [sourcetable],
            rep,
            clientid
        FROM 
            table1
        GROUP BY 1,2,3
    )
UNION ALL
SELECT
    sourcetable,
    rep,
    count(clientid)
FROM    
    (
        SELECT
            "table 2" as [sourcetable],
            rep,
            clientid
        FROM 
            table2
        GROUP BY 1,2,3
    )
SELECT
    rep,
    count(clientid)
FROM
    (
        SELECT rep,clientid FROM table1
        UNION
        SELECT rep,clientid FROM table2
    )
GROUP BY 1

Tag : ms-access , By : algoRhythm99
Date : March 29 2020, 07:55 AM
will be helpful for those in need If I correctly understand what you are asking for. Open the query in design view, double click on the line connecting table 1 to another table and select. All from table 1 and only those records...
I think that should give you what you are looking for. Otherwise you will probably need to post some more data about your other tables.

ms access query with loop to create multiple tables


Tag : sql , By : Adam May
Date : March 29 2020, 07:55 AM
wish of those help Consider iteratively looping through the project/view name query in a recordset and creating the pass-through query that then exports to an Excel spreadsheet.
Public Sub ImportOracleProjectViews()
    Dim db As Database, rst As Recordset, qdef As QueryDef
    Dim constr As String, strSQL As String, mkTBL As String

    Set db = CurrentDb
    ' ENTER QUERY HOLDING PROJECT AND VIEW NAMES '
    Set rst = db.OpenRecordset("QUERYNAME")

    ' DELETE TEMP QUERYDEF IF EXISTS '
    For Each qdef In db.QueryDefs
        If qdef.Name = "temp" Then
            db.QueryDefs.Delete ("temp")
        End If
    Next qdef

    If rst.RecordCount = 0 Then Exit Sub
    rst.MoveLast: rst.MoveFirst

    ' LOOP THROUGH EACH RECORD OF RECORDSET ' 
    Do While Not rst.EOF

        ' SQL STATEMENTS '
        strSQL = "SELECT * FROM " & rst!projectname & "$" & rst!viewname

        ' ORACLE CONNECTION STRING '
        constr = "ODBC;Driver={Microsoft ODBC for Oracle};Server=myServerAddress;" _
                              & "Uid=myUsername;Pwd=myPassword;"

        ' PASS THRU QUERY '
        Set qdef = db.CreateQueryDef("temp")
        qdef.Connect = constr
        qdef.SQL = strSQL
        qdef.Close

        ' EXPORT TO MS EXCEL SPREADSHEET '
        DoCmd.TransferSpreadsheet acExport, acSpreadsheetTypeExcel12Xml, temp, _
           "C:\Path\To\Output\Folder\" & rst!projectname & "_" & rst!viewname & ".xlsx", _
           True

        rst.MoveNext
    Loop

    rst.Close

    Set rst = Nothing
    Set qdef = Nothing
    Set db = Nothing

    MsgBox "Successfully imported views to local tables and " _
                    & "Excel spreadsheets!", vbInformation

End Sub

How to improve query performance that inserts data into multiple tables that combines it


Tag : sql , By : PsyberMonkey
Date : March 29 2020, 07:55 AM
Hope that helps You can create table variables with a primary key but you cannot use non-clustered indexes.
If you need to use indexes on temporary tables you should use #tempTables instead. You can then create indexes on those. When working with large data sets the # performs better than the @.

MySQL query that combines two tables and two columns in one of the tables


Tag : mysql , By : Eran Yahav
Date : March 29 2020, 07:55 AM
This might help you I'm trying to write an SQL query that combines two tables and two columns in one of the tables. So, I have two tables , I think this is just a join and group by:
select concat_ws(' ', i.material, i.shape) as combined,
       sum(d.quantity) as combined_quantity
from items i left join
     diary d
     on d.itemId = i.id
group by combined
order by combined_quantity desc;
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