I have a DB2 query as follows:
SELECT DISTINCT RETAILMASTERFILE.DOIDCD AS "RETAILMASTERFILE_DOIDCD",
RETAILMASTERFILE.COCOMO AS "RETAILMASTERFILE_COCOMO",
#XENOS.CUSTREF AS "XENOS_CUSTREF",
#XENOS.ADDUDT AS "XENOS_ADDUDT",
#XENOS.ADUPDD AS "XENOS_ADUPDD",
#XENOS.ADUPDT AS "XENOS_ADUPDT",
#XENOS.ADSTAT AS "XENOS_ADSTAT"
FROM RETAILMASTERFILE INNER JOIN
#XENOS ON RETAILMASTERFILE.DOCOMP = #XENOS.ADCOMP
AND RETAILMASTERFILE.COCOMO = #XENOS.ADDELN
WHERE (RETAILMASTERFILE.DOIDCD = 'CUST008')
AND (RETAILMASTERFILE.COCOMO = '345126032')
AND (RETAILMASTERFILE.DOCOMP = 'LONDON')
The problem is #XENOS.ADUPDT may not be unique which gives me an unwanted duplicate record.
Is there any way I can exclude this from consideration ? Everything I've tried so far within my limited knowledge and crude understanding of group by has so far broken my query.
Use GROUP BY instead:
SELECT RETAILMASTERFILE.DOIDCD AS "RETAILMASTERFILE_DOIDCD",
RETAILMASTERFILE.COCOMO AS "RETAILMASTERFILE_COCOMO",
#XENOS.CUSTREF AS "XENOS_CUSTREF",
#XENOS.ADDUDT AS "XENOS_ADDUDT",
#XENOS.ADUPDD AS "XENOS_ADUPDD",
MAX(#XENOS.ADUPDT) AS "XENOS_ADUPDT",
#XENOS.ADSTAT AS "XENOS_ADSTAT"
FROM RETAILMASTERFILE INNER JOIN
#XENOS
ON RETAILMASTERFILE.DOCOMP = #XENOS.ADCOMP AND
RETAILMASTERFILE.COCOMO = #XENOS.ADDELN
WHERE (RETAILMASTERFILE.DOIDCD = 'CUST008') AND (RETAILMASTERFILE.COCOMO = '345126032') AND
(RETAILMASTERFILE.DOCOMP = 'LONDON')
GROUP BY RETAILMASTERFILE.DOIDCD,
RETAILMASTERFILE.COCOMO,
#XENOS.CUSTREF,
#XENOS.ADDUDT,
#XENOS.ADUPDD,
#XENOS.ADSTAT;
Related
I'm currently trying to draw multiple tables through several inner-join statements. However, I am continually hit with the following error:
ORA-00904: "PART"."ITEM_CLASS": invalid identifier
I've visited several other pages here but that problem did not coincide with mine.
Here is the SQL query:
SELECT Slsrep_Number, AVG(Commission_Rate) AS AVG_Rate, MAX(Total_Commission) as MAX_Comission
FROM Sales_Rep
WHERE Sales_Rep.Slsrep_Number = Customer.Slrsrep_Number
AND Customer.C_Number = Orders.C_Number
AND Orders.Order_Number = Order_Line.Order_Number
AND Order_Line.Part_Number = Part.Part_Number
AND Part.Item_Class = 'SG';
Here are the tables being used (screenshots):
The pictures are listed in the order that I am referencing them in the SQL query.
You need to reference the tables in the FROM clause. You can't just reference them.
You should also use table aliases and proper, explicit, standard JOIN syntax.
So:
SELECT sr.Slsrep_Number,
AVG(?.Commission_Rate) AS AVG_Rate,
MAX(?Total_Commission) as MAX_Comission
FROM Sales_Rep sr JOIN
Customer c
ON sr.Slsrep_Number = c.Slrsrep_Number JOIN
Orders o
ON c.C_Number = o.C_Number JOIN
Order_Line ol
ON o.Order_Number = ol.Order_Number
Part p
ON ol.Part_Number = p.Part_Number
WHERE p.Item_Class = 'SG';
The ? is for the alias for the column with the commission.
The query now "looks" right. However, I don't think it is particularly useful. If that is the case, ask another question and provide sample data, desired results, and an explanation of what you want to accomplish.
Customer,Orders,Order_Line and Part Tables are missing in the from clause.Try This.
SELECT Slsrep_Number,
AVG(Commission_Rate) AS AVG_Rate,
MAX(Total_Commission) as MAX_Comission
FROM Sales_Rep,Customer,Orders,Order_Line,Part
WHERE Sales_Rep.Slsrep_Number = Customer.Slrsrep_Number
AND Customer.C_Number = Orders.C_Number
AND Orders.Order_Number = Order_Line.Order_Number
AND Order_Line.Part_Number = Part.Part_Number
AND Part.Item_Class = 'SG';
Having this simple group of tables, I would like to make an inventory discriminating equal products that came from different providers, but I'm getting an "ambiguity error" running a query I though it would work. I don't know how to solve this.
Here's the query I tried:
SELECT tblProducts.product_Name,
tblProviders.provider,
Nz(Sum(tblIntakes.intake_QTY),0)-
Nz(Sum(tblExits.exit_QTY)) AS Stock
FROM tblProviders,
(tblProducts LEFT JOIN
tblExits
ON tblProducts.product_ID = tblExits.product_ID
) LEFT JOIN
tblIntakes
ON tblProducts.product_ID = tblIntakes.product_ID
GROUP BY tblProducts.product_Name, tblProviders.provider;
You may use subqueries in this case:
SELECT
tblProducts.product_Name,
tblProviders.provider,
Nz((
SELECT SUM(intake_QTY)
FROM tblIntakes
WHERE
tblIntakes.product_ID = tblProducts.product_ID AND
tblIntakes.provider_ID = tblProviders.provider_ID
), 0) -
Nz((
SELECT SUM(exit_QTY)
FROM tblExits
WHERE
tblExits.product_ID = tblProducts.product_ID AND
tblExits.provider_ID = tblProviders.provider_ID
), 0) AS Stock
FROM tblProviders, tblProducts;
I`m working on some sql queries to get some data out of a table; I have made 2 queries for the
same data but both give another result. The 2 queries are:
SELECT Samples.Sample,
data_overview.Sample_Name,
data_overview.Sample_Group,
data_overview.NorTum,
data_overview.Sample_Plate,
data_overview.Sentrix_ID,
data_overview.Sentrix_Position,
data_overview.HybNR,
data_overview.Pool_ID
FROM tissue INNER JOIN (
( patient INNER JOIN data_overview
ON patient.Sample = data_overview.Sample)
INNER JOIN Samples ON
(data_overview.Sample_id = Samples.Sample_id) AND
(patient.Sample = Samples.Sample)
) ON
(tissue.Sample_Name = data_overview.Sample_Name) AND
(tissue.Sample_Name = patient.Sample_Name)
WHERE data_overview.Sentrix_ID= 1416198
OR data_overview.Pool_ID='GS0005701-OPA'
OR data_overview.Pool_ID='GS0005702-OPA'
OR data_overview.Pool_ID='GS0005703-OPA'
OR data_overview.Pool_ID='GS0005704-OPA'
OR data_overview.Sentrix_ID= 1280307
ORDER BY Samples.Sample;")
And the other is
SELECT Samples.Sample,
data_overview.Sample_Name,
data_overview.Sample_Group,
data_overview.NorTum,
data_overview.Sample_Plate,
data_overview.Sentrix_ID,
data_overview.Sentrix_Position,
data_overview.HybNR,
data_overview.Pool_ID
FROM tissue INNER JOIN
(
(patient INNER JOIN data_overview
ON patient.Sample = data_overview.Sample)
INNER JOIN Samples ON
(data_overview.Sample_id = Samples.Sample_id)
AND (patient.Sample = Samples.Sample)) ON
(tissue.Sample_Name = data_overview.Sample_Name)
AND (tissue.Sample_Name = patient.Sample_Name)
WHERE ((
(data_overview.Sentrix_ID)=1280307)
AND (
(data_overview.Pool_ID)="GS0005701-OPA"
OR (data_overview.Pool_ID)="GS0005702-OPA"
OR (data_overview.Pool_ID)="GS0005703-OPA"
OR (data_overview.Pool_ID)="GS0005704-OPA"))
OR (((data_overview.Sentrix_ID)=1416198))
ORDER BY data_overview.Sample;
The one in the top is working quite well but it still won't filter the sentrix_ID.
The second 1 is created with Access but when I try to run this Query in R it gave
a unexpected symbol error. So if anyone knows how to create a query that filter POOL_ID and Sentrix_id with the given parameters thanks in advance
Is it a case of making the where clause something like this:
WHERE Sentrix_ID = 1280307 AND (Pool_ID = 'VAL1' OR Pool_ID = 'VAL2' OR Pool_ID = 'VAL3')
i.e. making sure you have brackets around the "OR" components?
Maybe you meant:
...
WHERE data_overview.Sentrix_ID IN (1280307,1416198 )
AND data_overview.Pool_ID IN ("GS0005701-OPA", "GS0005702-OPA", "GS0005703-OPA" ,"GS0005704-OPA")
;
This two SQL statements return equal results but first one is much slower than the second:
SELECT leading.email, kstatus.name, contacts.status
FROM clients
JOIN clients_leading ON clients.id_client = clients_leading.id_client
JOIN leading ON clients_leading.id_leading = leading.id_leading
JOIN contacts ON contacts.id_k_p = clients_leading.id_group
JOIN kstatus on contacts.status = kstatus.id_kstatus
WHERE (clients.email = 'some_email' OR clients.email1 = 'some_email')
ORDER BY contacts.date DESC;
SELECT leading.email, kstatus.name, contacts.status
FROM (
SELECT *
FROM clients
WHERE (clients.email = 'some_email' OR clients.email1 = 'some_email')
)
AS clients
JOIN clients_leading ON clients.id_client = clients_leading.id_client
JOIN leading ON clients_leading.id_leading = leading.id_leading
JOIN contacts ON contacts.id_k_p = clients_leading.id_group
JOIN kstatus on contacts.status = kstatus.id_kstatus
ORDER BY contacts.date DESC;
But I'm wondering why is it so? It looks like in the firt statement joins are done first and then WHERE clause is applied and in second is just the opposite. But will it behave the same way on all DB engines (I tested it on MySQL)?
I was expecting DB engine can optimize queries like the fors one and firs apply WHERE clause and then make joins.
There are a lot of different reasons this could be (keying etc), but you can look at the explain mysql command to see how the statements are being executed. If you can run that and if it still is a mystery post it.
You always can replace join with nested query... It's always faster but lot messy...
Here is the situation:
I search for Persons with ID (empr.empr_cb)
that has bill(s) to pay (transactions.montant)
this refers to transactions.compte_id
which is identical to comptes.id_compte
this refers to comptes.proprio.id
which is identical to empr.id_empr
that would give us the Person ID (empr.empr_cb)
I tried this, but I don't know what joins to set (cross Join?):
SELECT `empr`.`empr_cb`,`transactions`.`montant`
FROM `empr`,`comptes`,`transactions`
WHERE `transactions`.`montant` > `0`
AND `transactions`.`encaissement` = `0`
AND `transactions`.compte_id` = `comptes`.`id_compte`
AND `comptes`.`proprio_id` = `id_empr`
Any ideas how to put the joins?
This query is already using implicit INNER JOINs. It can be rewritten this way:
SELECT empr.empr_cb
, transactions.montant
FROM empr
JOIN comptes ON comptes.proprio_id = empr.id_empr
JOIN transactions ON transactions.compte_id = comptes.id_compte
WHERE transactions.encaissement = 0
AND transactions.montant > 0