I have a, hopefully, very simple query, as there may not be a way to do this as its just plain wrong or im overthinking it. Basically I am trying to put together an SQL query for databases that sit on Netezza.
I have an excel document with data featuring unique IDs which I can query manually using the code below, although its not practical to do manually as there are over 9000 IDs. I firstly thought about trying to compile a similar report and just look up against eachother. But I have not been able to reproduce the report (total noob to SQL/netezza). Is there a way of drawing values from a range in excel to execute in an SQL query? Just wanted to check if there was a relatively simple way of doing this or not before giving up.
SELECT * FROM TABLE_1
WHERE UID = '2219788'
AND CURRENT_RECORD =1
LIMIT 100;
Related
I've been searching the internet for hours trying to figure out if the following is even possible:
To choose the AS400 query records directly from Excel.
I haven't found any solution or description of how this could be achieved, which makes me guess that it's simply not possible. However, I haven't seen anyone confirm that it is impossible.
So my question is: Is this possible? And if it is, could you point me in the right direction in order for me to start learning how to do it?
I know its possible to run a query from Excel, and then adding parameters via SQL statements, but in my case, this presents several problems that could be avoided by choosing the records before the query is executed.
Example:
I have a query with a column (lets call it ColVal) that can hold the values 1 and/or 2. In the AS400 program under the menu "Work with queries" and then "Choose records" I can specify which records the query should contain when it has run based on the value in ColVal. This means i can get three different situations (A, B and C) when i run the query:
A) The query only contains records where the value in ColVal is 1
B) The query only contains records where the value in ColVal is 2
C) The query contains records where the value in ColVal is either 1 or 2
The goal is to be able to choose which situation I want from Excel in order to circumvent opening and using the AS400 program.
However, using situation C and then editing the query in Excel with an SQL statement to mimic situation A or B is not an option, as this means the query still contains undesired records.
This whole thing boils down to the following: Is it even possible to run the query from Excel essentially changing the data it contains and not just outputting it to excel? If this is possible, is it then possible to pass a parameter to the AS400 system and use it to create situation A, B or C?
I hope this example makes sense.
Edit - New example
Say i have different customers A and B. I can open the AS400 program and run a query in which i have specified that I only want data on customer A. I can then open Excel and use filters (as Hambone described) on the query to determine which records I want to output. However, if I want to work with data from customer B, I have to open the AS400 again and run the query with different parameters. I would like to be able to "change" my dataset from customer A to B from Excel, without having to include both in my recordset and then filter out one of them.
I imagined this is doable if you could pass a parameter to the AS400. The AS400 then runs the query using this parameter as the criteria for which records should be stored in the query. This means that if the parameter is Customer B, then there is no way to acces data from customer A, without running the query through AS400 again.
Any ideas are greatly appreciated :)
Follow up to my comment, here is a quick primer on how to run an ODBC query directly in MS Excel using Microsoft Query. This is very different than Power Query, which you referenced, in that MS Query is standard with Excel -- it's not a plug-in. This is relevant because it means everyone has it. If you are deploying a solution to others, that's an important consideration.
To start an MS Query in Excel, go to the data tab, select "From Other Sources" -> "Microsoft Query."
A list of your ODBC connections will come up. Pick the one that you want and select "OK."
It may or may not ask you for a login (depending on which ODBC connection you use and how its configured).
The next part is important. MS Query is going to try to have you use its builder to create the query. If you have the SQL, skip this part. It's horrible. Click "Cancel" on the query wizard, and then click the "SQL" button to enter your own SQL. If you can, make sure the result set is small (like use where 1 = 2 in the query).
When MS Query returns results, click the button next to the SQL Button to have it return the results to the spreadsheet. It looks like a little door.
From here, any time you want to refresh the query, you can simply right-click the data table in Excel and select "refresh." Alternatively you can go to the data tab on the ribbon and select "Refresh."
By the way if you have linked pivot tables and charts, the "Refresh All" option will refresh those as well, in the correct order.
To edit your query at any time, right-click on the table in Excel, go to Table-External Data Properties:
Then Click on the Connection Properties icon (highlighted below)
Click on the second tab (Definition) and edit the SQL Directly.
Parameters can be declared simply by inserting a bare "?" in place of your literal.
In other words, if your query looks like this:
select *
from users
where user_id = 'hambone'
Just change it to:
select *
from users
where user_id = ?
Excel will prompt you for a user id before it runs the query. From here, you also have the option of putting the parameter value in a cell within the spreadsheet and having the query read it from there. You'll see these when you right-click the table and go to the "Parameters" menu option.
Let me know if this helps or is unclear.
-- EDIT 7/23/2018 --
To follow up on your latest edit, it is possible to handle the scenario you describe, where you want to be able to filter on a value, or if none is given, then not have a filter. You see this a lot when you present multiple filter options to the user and you want a blank to mean "no filter," which is obviously counter to the way SQL works.
However, you can hack SQL to still make it work:
select * from activities
where
(activity = ? or ? is null) and
(energy = ? or ? is null)
In this example you have to declare four parameters instead of two, two for each.
You might also have to play with datatypes, depending on the RDBMS (for example for numerics you might have to say ? = 0 instead of ? is null or even ? = '' for text).
Here is a working example where a single filter was applied on the query above and you can clearly see the second one did not have an impact.
Yes it's possible. You need to use an ODBC driver to connect to the AS400 and retrieve the data. The driver and documentation are Here
I need to add a field to a SSRS report. I tried modifying the dataset (query) but the results prouduced insane results, with zipcodes showing up in the name fields and names showing up in a datetime field. I suspect it is because of the groups but I don't understand how they work. The Dataset is created by 4 selects. The first 3 insert into temp tables and the fourth pulls from it. I suspect that I will have to re-write the query but it would be nice if I could use it as is with modifications. Either way I need to understand the groups.
I read
Data Region Cells, Data Region and Understanding Groups. Aside from the fact that they use terms specific to SSRS without defining them they are so undetailed I doubt many people who do not already understand SSRS can get anything out of them.
I did not write this report but I must modify it. I understand SQL well. Not so much with SSRS.
Can anyone explain how to find out what the Row Groups mean? Mine look like this:
Here is the tablix
I'm still relatively new to SQL and Pentaho.
I've pulled a table with two different IDs and need to run a query for each specific instance.
For example,
SELECT *
FROM Table
WHERE RecordA = 'value in column A'
AND RecordB = 'value in column B'
I need the results back, either appended to new columns in the original table or part of their own text file output.
I was initially looking at using a formula for this inside of Pentaho, but couldn't quite figure it out. Since I have the query written I threw it into Excel and got the concatenated results (so a string of 350 or so queries that I need to run). I'm just not sure how to accomplish this - I tried the Execute SQL Script inside of Pentaho but it doesn't seem to do output?
Any direction would be useful. I've searched a little but have come up short so far, possibly because I am still pretty new to this platform.
You can accomplish this behavior in a lot of ways, with a "Database Lookup" step for example, but I usually do that in a quite easy way and here is a example for your tests, I hope it helps.
The idea here is to have two Table input steps, the first one will fetch the IDs we want to look at. For example you may use a SQL query similar to note on the left. The result will be a 1 column stream of rows.
Next we have a Table Input that reads the rows received and executes it's query for each row. I'll add a screenshot with the options that I selected.
What it does is replace a placeholder '?' with the data that is received. If you need two columns use two '?' but remember that it will replace the first one with the first column and the second one with the second column
And you are good to go. Test it a couple of times and good luck.
And the config for the second table input.
Here is my problem.
I am working with a database that is VERY simple, it has one table with 21 fields and a series of values. I have created a simple select query that selects 2 fields and generates a total value based on a query calculations field.
What I would like to do is to have an input form with combo boxes that allows users to pass in which fields they would like to select. Basically creating a GUI for someone LESS skilled (if that's possible) than myself to run the query.
Currently I have 21 potential fields. Would I have to create 21 x 21 queries and then try to write some kind of code that would link to the appropriate query if the criteria were selected from the combo boxes? Is there some kind of VBA script that could generate the query on the fly repeatedly?
Any hints on the way forward would be very helpful I've never used VBA but willing to thrash around if someone points in the right direction.
As per Comments, below = SQL for query
SELECT paddling.Paddling, boating.Boating, [boating]![Boating]*[paddling]![Paddling] AS Expr1
FROM paddling INNER JOIN boating ON paddling.useSpace = boating.useSpace;
I have a query which grabs data from Access with contents:
A,1,z
A,2,z
B,1,y
A,1,i
I created 3 dropdowns in excel and I want to populate them with rows from these columns. The problem is that in each column there are duplicates and I want to get rid of them. I am looking for a solution to get rid of these duplicates.
Current process is following:
run a query. I use VBA in Excel. Access is being queried.
paste results into a separate sheet (it takes A LOT of time because there are 20k reocrds)
assign a range for my dropdows
As you can see my second step is very resource hog and the proccess time should drop drastically by removing duplicates from each column.
What is the best approach to populate dropdowns with unique values from query?
My ideas
create a query which will output me:
A,1,z
B,2,y
, ,i
In that case i will not have to distinct values manually in excel. Not possible to do, as I understand...
Add values from each columns to List, remove doubles, paste result into excel. This is my personal favorite because I see no other ways to fix the issue.
create multiple queries to DISTINCT each table_column separately.. Not very fast solution, I suppose
some other approach
Run three SELECT DISTINCT Colx FROM table queries to get the values for the three dropdowns. Your option two. The work has to be done sometime so you might as well use the tools designed to do the work instead of reinventing that wheel.
If you use select distinct columna, columnb... instead of select columna, columnb... you will get what you want. The SQL will take longer to run, though.