Joining Multiple Tables with 2 aggregated tables
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I have seen this question a couple times and it seems like the answer was followed exactly but only my first row of data is correct.
I'm trying to join 2 tables that are aggregated. So data on this query is
correct on the listings table.
{
Select Sum(listings.Quantity) As Cnt, product.ProductId
from product
left join listings on listings.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductId
order by ProductId asc;
}
Then the next table using the same Id on the sales table
{
Select Count(sales.SalePrice) as NumSld, Sum(sales.SalePrice) As Sld, ProductId
from product
left join sales on sales.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductID
order by Sld DESC;
}
Here is the attemped Join of the tables
{
Select cmb.ProductId, t2.NumSld, t2.Sld
from product pro
Left Join (
Select ProductId, ProductTypeId, Sum(Quantity) As Cnt
from listings
Group By ProductId
) t1 on t1.ProductId = pro.ProductId and t1.ProductTypeId = 4
Left join (
Select ProductId, ProductTypeId, Count(SalePrice) as NumSld, Sum(SalePrice) As Sld
from sales
Group By ProductId
) t2 on t2.ProductId = pro.ProductId and t2.ProductTypeId = 4
order by t2.Sld desc;
}
The data returned on this is incorrect. Only the first row is correct. I think its something simple that I'm missing. I have been stuck on this for days. Can anyone figure it out?
mysql-5.7
asked 8 mins ago
ScooterdogflScooterdogfl
1
New contributor
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I have seen this question a couple times and it seems like the answer was followed exactly but only my first row of data is correct.
I'm trying to join 2 tables that are aggregated. So data on this query is
correct on the listings table.
{
Select Sum(listings.Quantity) As Cnt, product.ProductId
from product
left join listings on listings.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductId
order by ProductId asc;
}
Then the next table using the same Id on the sales table
{
Select Count(sales.SalePrice) as NumSld, Sum(sales.SalePrice) As Sld, ProductId
from product
left join sales on sales.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductID
order by Sld DESC;
}
Here is the attemped Join of the tables
{
Select cmb.ProductId, t2.NumSld, t2.Sld
from product pro
Left Join (
Select ProductId, ProductTypeId, Sum(Quantity) As Cnt
from listings
Group By ProductId
) t1 on t1.ProductId = pro.ProductId and t1.ProductTypeId = 4
Left join (
Select ProductId, ProductTypeId, Count(SalePrice) as NumSld, Sum(SalePrice) As Sld
from sales
Group By ProductId
) t2 on t2.ProductId = pro.ProductId and t2.ProductTypeId = 4
order by t2.Sld desc;
}
The data returned on this is incorrect. Only the first row is correct. I think its something simple that I'm missing. I have been stuck on this for days. Can anyone figure it out?
mysql-5.7
asked 8 mins ago
ScooterdogflScooterdogfl
1
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I have seen this question a couple times and it seems like the answer was followed exactly but only my first row of data is correct.
I'm trying to join 2 tables that are aggregated. So data on this query is
correct on the listings table.
{
Select Sum(listings.Quantity) As Cnt, product.ProductId
from product
left join listings on listings.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductId
order by ProductId asc;
}
Then the next table using the same Id on the sales table
{
Select Count(sales.SalePrice) as NumSld, Sum(sales.SalePrice) As Sld, ProductId
from product
left join sales on sales.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductID
order by Sld DESC;
}
Here is the attemped Join of the tables
{
Select cmb.ProductId, t2.NumSld, t2.Sld
from product pro
Left Join (
Select ProductId, ProductTypeId, Sum(Quantity) As Cnt
from listings
Group By ProductId
) t1 on t1.ProductId = pro.ProductId and t1.ProductTypeId = 4
Left join (
Select ProductId, ProductTypeId, Count(SalePrice) as NumSld, Sum(SalePrice) As Sld
from sales
Group By ProductId
) t2 on t2.ProductId = pro.ProductId and t2.ProductTypeId = 4
order by t2.Sld desc;
}
The data returned on this is incorrect. Only the first row is correct. I think its something simple that I'm missing. I have been stuck on this for days. Can anyone figure it out?
mysql-5.7
asked 8 mins ago
ScooterdogflScooterdogfl
1
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have seen this question a couple times and it seems like the answer was followed exactly but only my first row of data is correct.
I'm trying to join 2 tables that are aggregated. So data on this query is
correct on the listings table.
{
Select Sum(listings.Quantity) As Cnt, product.ProductId
from product
left join listings on listings.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductId
order by ProductId asc;
}
Then the next table using the same Id on the sales table
{
Select Count(sales.SalePrice) as NumSld, Sum(sales.SalePrice) As Sld, ProductId
from product
left join sales on sales.ProductId = product.ProductId And ProductTypeId = 4
Group By product.ProductID
order by Sld DESC;
}
Here is the attemped Join of the tables
{
Select cmb.ProductId, t2.NumSld, t2.Sld
from product pro
Left Join (
Select ProductId, ProductTypeId, Sum(Quantity) As Cnt
from listings
Group By ProductId
) t1 on t1.ProductId = pro.ProductId and t1.ProductTypeId = 4
Left join (
Select ProductId, ProductTypeId, Count(SalePrice) as NumSld, Sum(SalePrice) As Sld
from sales
Group By ProductId
) t2 on t2.ProductId = pro.ProductId and t2.ProductTypeId = 4
order by t2.Sld desc;
}
The data returned on this is incorrect. Only the first row is correct. I think its something simple that I'm missing. I have been stuck on this for days. Can anyone figure it out?
mysql-5.7
mysql-5.7
asked 8 mins ago
ScooterdogflScooterdogfl
1
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 mins ago
ScooterdogflScooterdogfl
1
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 1 min ago
Scooterdogfl
asked 8 mins ago
ScooterdogflScooterdogfl
1
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 8 mins ago
ScooterdogflScooterdogfl
1
asked 8 mins ago
ScooterdogflScooterdogfl
1
1
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Scooterdogfl is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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