How to create a histogram of elements in array in sql? [closed] - sql

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I want to create histogram of elements from a table with different values A B C D with their count
How can I create the graph of that?

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Display last 3 quarters in form <YYYY>Q<Q> [closed]

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I want to display last three quarters dynamically. If I give GETDATE() today it should show 2023Q1, 2022Q4, 2022Q3.

Qtable add q-btn-dropdown [closed]

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I want to add a dropdown button to my Qtable.
Here is the solution that I want to achieve:
Is there any way to do it?
You can use https://quasar.dev/vue-components/table#example--body-cell-name-slot or body slot to achieve this.
For dropdown - https://quasar.dev/vue-components/select

Is it slower to select from another database [closed]

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If I am standing in database A and what to select from database B by using:
B.table.column
Is this going to slow things down compared to if the table was in databse A where I am standing?

Will leveldb method put update a value? [closed]

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Will the method put update a value or is it necessary to first delete it and then put the new one?
Yes, it will update value (delete is not required). Do you have any problem with it?

How To Make Two Columns in ListView [closed]

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Textbox 1 value Add to Listbview column 1
And Textbox Two Value Add To Listview column 2
And In Side Quantity Of Numbers Are shown
Image Link
http://4.bp.blogspot.com/_0j4bzarlOBg/SV8ekS0B5JI/AAAAAAAAAG8/c5un3Gfl0R8/s400/SilverlightListBoxMulti.JPG
You want this :
system.windows.forms.datagridview