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What is the use of unique function?
UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
DBMS, Programming
In SQL Developer ONLY! Deliverables Include SQL scripts and screenshot of the results: D1. Create the following three user-defined roles that are shown in the table below and assign them the specified permissions for the ...
Football Association of Zambia (FAZ) Super League The FAZ has recently decided to reorganise their operations to support both existing and possibly expanded league operations in Zambia and part of preparation for the 201 ...
Question : a) Suppose you are a marathon runner that can run a maximum of n miles on a single bottle of water. You are given a map of your marathon route with all the water stations marked. Design an efficient algorithm ...
SQL Transactions Exercises Consider table Item(name,price) where name is a key, and the following two concurrent transactions. T1: Begin Transaction; Update Item Set price = 2*price Where name = 'pencil'; Insert Into Ite ...
Real Time Analytics - Data Analytics Assignment - This is a business analytics project aimed at generating innovative analytics solutions for a Global Food Consulting firm working in the area of Animal agriculture and fa ...
Project Outline and Requirements Provide a brief description of the organization (can be hypothetical) that will be used as the basis for the projects in the course. Include company size, location(s), and other pertinent ...
Select * From E, D, P WHERE E.dept=D.dept AND D.city=P.city AND D.budget>1M AND P.priority=A; Assuming relations have the same size and uniform distributions, what is the best plan with Nested Loop joins only? Write it a ...
Question: Create the physical data model for the logical data model that you submitted in IP3. This should include all of the data definition language SQL. Your submission should include all DDL needed to: Create the tab ...
Question: Find at least two academic sources that describe the movement of Enterprise resource planning (ERP) activities to the cloud. Discuss the types of ERP activities that can be conducted in the cloud and the pros a ...
Question: Create an ERD for the following scenario. Once you submit you will get access to the correct way to create the ERD. Please watch the video and correct any errors in your submission and resubmit. A small company ...
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