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[ANSWERED] Customer must own all 3 products
@Sergeant wrote: Hello, I'm looking for a query that select all clientIDs that have ordered for example all 3 products. Products: Table productsIDName Order Table ordersIDclientIDaddress etc. Order...
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@DaveMaxwell wrote: You would need to do three separate sub selects and join them in SELECT C.Name FROM Client C JOIN (SELECT O.ClientID FROM Orders O JOIN Order_Lines L ON O.ID = L.OrderID JOIN...
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@Sergeant wrote: This isn't it I'm afraid, although I'm not sure what is, this doesn't give me all clientIDs and selecting by name in a WHERE clause is obviously not the way to go. This query selects...
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@molona wrote: It is just a matter of interpretation. What @davemaxwell did was to get the list of clients that bought those three items (AND instead of OR). Your query is fine. There is more than one...
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[ANSWERED] Customer must own all 3 products
@DaveMaxwell wrote: Sergeant: This isn't it I'm afraid, although I'm not sure what is, this doesn't give me all clientIDs OK, short of typos, what I gave you worked EXACTLY as you asked. It provided...
View Article[ANSWERED] Customer must own all 3 products
@oddz wrote: The trick is using where with having to match only clients with the given number of products. In this case 3. SELECT o.clientID FROM orders o INNER JOIN orders_lines i ON o.ID = i.orderID...
View Article[ANSWERED] Customer must own all 3 products
@Sergeant wrote: May I ask why shortening all those table names is so common? It's just a sidequestion but it makes it unnecesary difficult to clearly read the query in my opinion. Oddz, i like your...
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@Sergeant wrote: Oh and you don't select by productname because you have an ID to work with? It was just asample table structure. Read full topic
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[ANSWERED] Customer must own all 3 products
@DaveMaxwell wrote: Sergeant: May I ask why shortening all those table names is so common? It's just a sidequestion but it makes it unnecesary difficult to clearly read the query in my opinion. It's...
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[ANSWERED] Customer must own all 3 products
@molona wrote: Sergeant: May I ask why shortening all those table names is so common? Giving aliases help you to write faster, especially when you use a black screen which is quite common for most...
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@Sergeant wrote: Thank you oddz! You just made my day with your super easy to understand query which works like a charm! Kudos! Read full topic
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[ANSWERED] Customer must own all 3 products
@r937 wrote: DaveMaxwell: Note: You need to add DISTINCT to the select to get rid of duplicates. a clear sign of an inefficient, clumsy query -- it may produce the right results with DISTINCT added,...
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@system wrote: This topic was automatically closed 91 days after the last reply. New replies are no longer allowed. Read full topic
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[ANSWERED] Customer must own all 3 products
@Sergeant wrote: Hello, I'm looking for a query that select all clientIDs that have ordered for example all 3 products. Products: Table productsIDName Order Table ordersIDclientIDaddress etc. Order...
View Article[ANSWERED] Customer must own all 3 products
@DaveMaxwell wrote: You would need to do three separate sub selects and join them in SELECT C.Name FROM Client C JOIN (SELECT O.ClientID FROM Orders O JOIN Order_Lines L ON O.ID = L.OrderID JOIN...
View Article[ANSWERED] Customer must own all 3 products
@Sergeant wrote: This isn't it I'm afraid, although I'm not sure what is, this doesn't give me all clientIDs and selecting by name in a WHERE clause is obviously not the way to go. This query selects...
View Article[ANSWERED] Customer must own all 3 products
@molona wrote: It is just a matter of interpretation. What @davemaxwell did was to get the list of clients that bought those three items (AND instead of OR). Your query is fine. There is more than one...
View ArticleClik here to view.
[ANSWERED] Customer must own all 3 products
@DaveMaxwell wrote: Sergeant: This isn't it I'm afraid, although I'm not sure what is, this doesn't give me all clientIDs OK, short of typos, what I gave you worked EXACTLY as you asked. It provided...
View Article[ANSWERED] Customer must own all 3 products
@oddz wrote: The trick is using where with having to match only clients with the given number of products. In this case 3. SELECT o.clientID FROM orders o INNER JOIN orders_lines i ON o.ID = i.orderID...
View Article[ANSWERED] Customer must own all 3 products
@Sergeant wrote: May I ask why shortening all those table names is so common? It's just a sidequestion but it makes it unnecesary difficult to clearly read the query in my opinion. Oddz, i like your...
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