I have 2 .csv with ';' separated files i loaded into Qlikview.
first file contains:
ID | date/time | Price | Postalcode
the second contains
ID | Postalcode | City | Region
I've first did an extract to a .qvd file and in the .qvw i added the following code:
Customerpostalcode:
LOAD %key_CustomerId,
TimeDate,
Price,
%key_postalcode
FROM
[$(vExtract)Customerpostalcodes.qvd]
(qvd);
Postcodes:
LEFT JOIN (Customerpostalcodes)
LOAD %key_postalcodeID,
%key_postalcode,
City,
Region
FROM
[$(vExtract)Postalcodes.qvd]
(qvd);
Now here in Belgium you have multiple cities for one postal code
for example if postal code is "9700" then i have 15 cities but if the price for postal code 9700 is €50 than i got 15 times €50. How can i tell Qlikview to only count and sum this price one time each postal code?
Thx
The problem here is that you have a many-to-many relationship in your Postcodes table so JOINing this into the first table will explode the table with the repeated entries.
Perhaps you need to try and figure out a way of expanding your source data for Customerpostalcode so that the table also contains more address information for the customer (for example by including City). This way you could then join the tables on both %key_postalcode and City which would then result in hopefully single matches which would then solve your issue.
Related
So I'm trying to match entries in two databases so in the new table the row is comprised of two words that end in the same ending letter. I'm working with two tables that have one column in each of them, each named word. table 1 contains the following data in order: Dog, High, It, Weeks, while table two contains the data: Bat, Is, Laugh, Sing. I need to select from both of these tables and match the words so that each row is as follows: Dog | Sing, High | Laugh, It | Bat, Weeks | Is
The screenshot is what I have so far for my SQL statement. I'm still early on in learning SQL so any info to help on this would be appreciated.
Recommend reading up on SUBSTR() for more information on why the below code works: https://docs.oracle.com/cd/B28359_01/olap.111/b28126/dml_functions_2101.htm#OLADM679
SELECT
a.word
, b.word
FROM sec1313_words1 a
JOIN sec1313_words2 b
ON SUBSTR(b.word, -1) = SUBSTR(a.word, -1)
ORDER BY a.word
Hello i am new to teradata. I am loading flat file into my TD DB using fast load.
My data set(CSV FILE) contains some issues like some of the rows in city column contains proper data but some of the rows contains NULL. The values of the city columns which contains NULL are stored into the next column which is zip code and so on. At the end some of the rows contains extra columns due to the extra NULL in rows. Examples is given below. How to resolve these kind of issues in fastload? Can someone answer this with SQL example?
City Zipcode country
xyz 12 Esp
abc 11 Ger
Null def(city's data) 12(zipcode's data) Por(country's data)
What about different approach. Instead of solving this in fast load, load your data to temporary table like DATABASENAME.CITIES_TMP with structure like below
City | zip_code | country | column4
xyz | 12 | Esp |
NULL | abc | 12 | Por
In next step create target table DATABASENAME.CITY with the structure
City | zip_code | country |
As a final step you need to run 2 INSERT queries:
INSERT INTO DATABASENAME.CITY (City, zip_code, country)
SELECT City, zip_code, country FROM DATABASENAME.CITIES_TMP
WHERE CITY not like 'NULL'/* WHERE CITY is not null - depends if null is a text value or just empty cell*/;
INSERT INTO DATABASENAME.CITY (City, zip_code, country)
SELECT Zip_code, country, column4 FROM DATABASENAME.CITIES_TMP
WHERE CITY like 'NULL' /* WHERE CITY is null - depends if null is a text value or just empty cell*/
Of course this will work if all your data looks exacly like in sample you provide.
This also will work only when you need to do this once in a while. If you need to load data few times a day it will be a litte cumbersome (not sure if I used proper word in this context) and then you should build some kind of ETL process with for example Talend tool.
I have two tables that look roughly like this:
Airports
uniqueID | Name
0001 | Dallas
Runways
uniqueID | AirportID | Length
000101 | 0001 | 8000
I'm doing a join that looks like this:
SELECT Airports.Name, Runways.Length FROM Airports, Runways
WHERE Airports.uniqueID==Runways.AirportID
Obviously, each runway has exactly one airport, and each airport has 1..n runways.
For an airport with multiple runways, this gives me several rows, one for each runway at that airport.
I want a result set that contains ONLY the row for the longest runway, i.e. MAX(Length).
Sometimes, the Length is 0 for several runways in the database, because the source data is missing. In that case I only want one row with the Length = 0 obviously.
I've tried the approach laid out here: Inner Join table with respect to a maximum value but that's actually not helpful because that's like searching for the longest runway of all, not for the longest at one particular airport.
This seems to simple to be what you want but it seems to meet all the cases you've described...
SELECT A.Name, Max(R.Length)
FROM Airports A
INNER JOIN Runways R
on A.uniqueID=R.AirportID
Group by A.Name
This should give you the max runway for each airport.
If you need additional data elements then use the above as a inline view (Subquery within the joins) to limit the results sets to just those airports and their max runway.
I'm not sure this is possible but my manager wants me to do it...
Using the below picture as a reference, is it possible to retrieve a group of records, where each record has 2 rows of columns?
So columns: Number, Incident Number, Vendor Number, Customer Name, Customer Location, Status, Opened and Updated would be part of the first row and column: Work Notes would be a new row that spans the width of the report. Each record would have two rows. Is this possible with a GROUP BY statement?
Record 1
Row 1 = Number, Incident Number, Vendor Number, Customer Name, Customer Location, Status, Opened and Updated
Row 2 = Work Notes
Record 2
Row 1 = Number, Incident Number, Vendor Number, Customer Name, Customer Location, Status, Opened and Updated
Row 2 = Work Notes
Record n
...
I don't think that possible with the built in report engine. You'll need to export the data and format it using something else.
You could have something similar to what you want on short description (list report, group by short description), but you can't group by work notes so that's out.
One thing to note is that the work_notes field is not actually a field on the table, the work_notes field is of type journal_input, which means it's really just a gateway to the actual underlying data model. "Modifying" work_notes actually just inserts into sys_journal_field.
sys_journal_field is the table which stores the work notes you're looking for. Given a sys_id of an incident record, this URL will give you all journal field entries for that particular record:
/sys_journal_field_list.do?sysparm_query=name=task^element_id=<YOUR_SYS_ID>
You will notice this includes ALL journal fields (comments + work_notes + anything else), so if you just wanted work notes, you could simply add a query against element thusly:
/sys_journal_field_list.do?sysparm_query=name=task^element=work_notes^element_id=<YOUR_SYS_ID>
What this means for you!
While you can't separate a physical row into multiple logical rows in the UI, in the case of journal fields you can join your target table against the sys_journal_field table using a Database View. This deviates from your goal in that you wouldn't get a single row for all work notes, but rather an additional row for each matched work note.
Given an incident INC123 with 3 work notes, your report against the Database View would look kind of like this:
Row 1: INT123 | markmilly | This is a test incident |
Row 2: INT123 | | | Work note #1
Row 3: INT123 | | | Work note #2
Row 4: INT123 | | | Work note #3
I have a table of zip codes and a stored procedure to calculate all zipcodes within an X radius, given a zip code and a radius.
For example, to find all zip codes within 200 miles of 10001 I'd enterCALL zip(10001,200) and it would display each zip code.
In a new column "hradius", I would like to have all zip codes within 200 miles of that row's zip code.
I'm very new to SQL, thank you for any help.
Don't shove a string with multiple values into one field. Create a related table to link one zip code to multiple:
ZipOrigin ZipDest Distance
12345 23456 150
12345 34567 175
...
(Distance is optional - for example you could use it to find all zip codes within ANY radius less than X)
In this situation, if you want to pre-generate your list of matches, you're much better off using a separate table for the matches. You'll have two tables: one for your zip codes and one for the matches. The second table will have two columns, one for the source zip code and one for the matching zip code within X miles (200 in this case). There will be a separate row for each match. The results from the stored procedure should output to the second table. Once you have that you can use a query like the following:
SELECT zip.zipcode, zipJoin.zipcode
FROM zipCodes zip
INNER JOIN zipCodeMatches zipJoin
ON zip.zipcode = zipJoin.sourceZipCode
WHERE zip.zipcode = #zip
You should spend some time learning about proper table design and normalization and how to join tables together to help you understand these concepts.