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modul:m290:learningunits:lu04:aufgaben:a04 [2024/09/09 09:09] vdemirmodul:m290:learningunits:lu04:aufgaben:a04 [2024/10/17 12:35] (aktuell) vdemir
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-====== LU05.A03 - SQL-DQL: Selects with Aggregate Functions ======+====== LU06.A03 - SQL-DQL: Selects with Aggregate Functions ======
  
 ===== Requirements  ===== ===== Requirements  =====
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 The general assignment is to develop DQL commands that matches the requirements below: The general assignment is to develop DQL commands that matches the requirements below:
  
-==== Assignment a: MIN ==== +==== A: MIN ==== 
-We want to know which of our products is actually the most expensive.+We want to know which of our products actually the cheapest is.
  
-==== Assignment b: MAX ==== +==== B: MAX ==== 
-What is the lowest price for the products of the supplier with id = 12?+What is the highest price for the products of the supplier with id = 12?
  
-==== Assignment c: AVG ====+==== C: AVG ====
 What is the average price for products of supplier 3? What is the average price for products of supplier 3?
  
-==== Assignment dAVG ====+==== DCOUNT ====
 How many orders do we currently have in our data-base system from the customer with id = 5? How many orders do we currently have in our data-base system from the customer with id = 5?
      
-==== Assignment e: SUM ====+==== E: SUM ====
 What is the worth of the order 10255? Please note, that there are two tables involved in this select statement. What is the worth of the order 10255? Please note, that there are two tables involved in this select statement.
  
-==== Assignment f: GROUP BY ====+==== F: GROUP BY ====
 For our anual report we need list of the orders, and the value of each, grouped by the OrderID. For our anual report we need list of the orders, and the value of each, grouped by the OrderID.
  
 ===== Solution ===== ===== Solution =====
-[[modul:m290:learningunits:lu04:loesungen:l02|Lösung]]+[[modul:m290:learningunits:lu04:loesungen:l03|Lösung]]
      
 ===== Vocabulary ===== ===== Vocabulary =====
  • modul/m290/learningunits/lu04/aufgaben/a04.1725865761.txt.gz
  • Zuletzt geändert: 2024/09/09 09:09
  • von vdemir