separate column
Oracle 12 c.
I have a table that has several columns for the accommodation of the languages (for some reason that I don't want a child table to accommodate the langauges). Try to find the DISTINCT languages in the table.
col1
col2
COL3
COL4
The sample files are:
COL1 COL2 COL3 COL4
Row1: English Spanish Italian Korean
row2: English Japanese Spanish
row3: English Spanish Thai Danish
Italian German row4
If there is only a SINGLE column which hosts the languages, I can just use:
Select distinct col1 of table X.
But now there are several accommodation the langauges columns, how do I enumerate the distinct (NON-DUPPLICATE) langauges, such as return the result set to:
English
Spanish
Korean
Italian
Japanese
Thai
German
Danish
Thank you for helping.
Scott
Hi, Scott.
scottjhn wrote:
Oracle 12 c.
I have a table that has several columns for the accommodation of the languages (for some reason that I don't want a child table to accommodate the langauges).
Looks like you already realize that it is a design of the wrong table. Any reason you have booked using this model, you should think about it again. The reasonable way to store data and the reasonable way to solve this problem, are all languages to in 1 column. If you store the data in a smart way, you will have to convert on the fly, whenever you have to solve a problem like this. You can use SELECT... UNPIVOT function to convert the 4 columns in 1 and then use plain old SEPARATE to get a single output.
The FAQ Forum page on swivel also treats of unpivoting. See Re: 4. How can I convert rows to columns?
If you get stuck, see this other Forum FAQ page: Re: 2. How can I ask a question on the forums?
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