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SQL Sub-Query from 2 Access Queries


SQL Sub-Query from 2 Access Queries

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SQL Sub-Query from 2 Access Queries
Tag : sql , By : Vasiliy
Date : November 29 2020, 04:01 AM

To fix this issue MSAccess, at least when I was using it, did not properly support subqueries, so you had to do stuff like you've shown; in most cases converting it to SQL is just a matter of changing something like this
SELECT stuff 
FROM TableA 
INNER JOIN QueryB ON blah
SELECT stuff 
FROM TableA 
INNER JOIN (
   SELECT other_stuff 
   FROM TableB 
   WHERE blahB
) AS QueryB ON blah`

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Is it possible to access an access database inside a query to a SQL server? (using C# and Queries)


Tag : chash , By : Thomas Plunkett
Date : March 29 2020, 07:55 AM
should help you out The syntax you have posted is for Access.
For SQL Server, take a look at OPENROWSET.

Access dynamic query - Better to build one conditional SQL query or multiple queries with VBA?


Tag : sql , By : Christopher
Date : March 29 2020, 07:55 AM
seems to work fine I don't believe you would find one way is more efficient over the other, at least not noticeably. For the most part it is simply personal preference.
I generally use VBA and check the value of each dropdown/checkbox and build pieces of the SQL query then put together at the end. The issue that you may run into with this method though is that if you have a large number of dropdowns and checkboxes the code is easy to get "lost" in.

Query for TFS Stored/Saved query by Full path and Query Name (Queries not in 'My Queries' or 'Shared Queries')


Tag : chash , By : Janne Laine
Date : March 29 2020, 07:55 AM
wish help you to fix your issue This self-recursive method will find your query from the query tree if it exists:
    static QueryDefinition GetQueryDefinitionFromPath(QueryFolder folder, string path)
    {
        return folder.Select<QueryItem, QueryDefinition>(item =>
        {
            return item.Path == path ?
                item as QueryDefinition : item is QueryFolder ?
                GetQueryDefinitionFromPath(item as QueryFolder, path) : null;
        })
        .FirstOrDefault(item => item != null);
    }
  var myquery = GetQueryDefinitionFromPath( (QueryFolder)workItemStore.Projects["MyProj"].QueryHierarchy, "Shared Queries/blah/blah2/MyTeamFolder/MyTeams WorkItems - All Workitems" );

Joining different queries into 1 query in MS Access


Tag : database , By : Ruchi
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You can use UNION query for combining results of Query 1 and 2, column [Lost] in query 1 = 0, column [Won] in query 2 = 0 and then aggregate this query, using Sum on [Lost] and [Won]. Something like this:
INSERT INTO Master (Player, Won, Lost)
SELECT Player, Sum(Won), Sum(Lost) FROM (
    SELECT First([Master Data Results 2013 - 2016].[Winner]) AS Player,
    Count([Master Data Results 2013 - 2016].[Winner]) AS Won,
    0 AS Lost
    FROM [Master Data Results 2013 - 2016]
    GROUP BY [Master Data Results 2013 - 2016].[Winner]
    HAVING (((Count([Master Data Results 2013 - 2016].[Winner])) > 1))

    UNION

    SELECT First([Master Data Results 2013 - 2016].[Loser]) AS Player,
    0 as Won,
    Count([Master Data Results 2013 - 2016].[Loser]) AS Lost
    FROM [Master Data Results 2013 - 2016]
    GROUP BY [Master Data Results 2013 - 2016].[Loser]
    HAVING (((Count([Master Data Results 2013 - 2016].[Loser])) > 1))
)
GROUP BY Player

Microsoft Access Query - Merging two queries into one


Tag : sql , By : cameron
Date : March 29 2020, 07:55 AM
it helps some times The given SQL will not run because of spaces in table and column names.
This example eliminates those spaces.
SELECT
     Table1.Column3 , Table2.Column3
    ,Table1.Column4 , Table2.Column4
    ,Table1.Column5 , Table2.Column5
    ,Table1.Column7 , Table2.Column7
    ,Table1.Column8 , Table2.Column8

From      Table1 
Left Join Table2  
On

(        Table1.Column3 = Table2.Column3
 AND     Table1.Column4 = Table2.Column4
 AND     Table1.Column5 = Table2.Column5
 AND  (  Table1.Column7 = Table2.Column7
      OR Table1.Column8 = Table2.Column8
      )
 )
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