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I have MySQL table structure like this
id
quantity
8,9,12,10,11,20,13
20,5,100,10,5,5,5
7,19,10,13,12
50,70,48,20,200
i want to get total sum of the quantity whose id is 13
I don't know how to do this.
i tried like this but didn't work.
what i tried
SELECT sum(quantities) FROM `invoice_purchase` WHERE item_ids in('13')
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i have a table with different names. i can order alphabetically, but i want to order it in different way.
For example: i want 'H' to be the first set of rows in the table, then 'D', then 'A' like that. how to pass this query in mysql?
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I have a query like:
SELECT * from table where column1=5 or column2=8
I need an alternative query to the above query. How is that possible?
I cannot guess the exact answer.
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I have value in a column of table like-
3,2,null,4,-1,-4,-2.
I want result like
4,3,2,null,-1,-2,-4.
You want NULL treated as a zero:
order by coalesce(column, 0) desc
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A table having duplicate record columns... I need to just show how many duplicate values present in that particular column...not unique values...Only Duplicate values should be displayed?
Do a count with groupby, and then filter the ones that have duplicates with having your_count_column > 1
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I want to compare the dates of 2nd month.
Display only dates that are in second month
by using sql query
hope this will help you:
SELECT BirthDate FROM Employees where EXTRACT(MONTH FROM BirthDate)=2;