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Question: Which of the subsequent is true about Data Warehouses?
Data Warehouses are large relational databases similar to Microsoft Access - A
Data Warehouses are multidimensional data storages that can only be used for daily transaction processing. - B
Data Warehouses are multidimensional data storages helping in decision making and supporting business intelligence. - C
Can you explain about the Data Warehouses and relational databases?
Convert the example of GEOMETRY_OBJECTS given in section 11.1.5 from the functional notation to the notation given in Figure 11.2 that distinguishes between attributes and operations. Use the keyword INHERIT to show that one class inherits from an..
creating database structure using SQL
Write an algorithm called \Find-G" to nd a maximally-general consistent hypothesis. You can assume the data will be noise-free and that the target concept is in the hypothesis space.
Consider the relational database described in Problem Give expressions in tuple relational calculus and domain relational calculus for each of the following queries: Find all the companies that have offices in all the cities in which company C2..
In physical database design, referential integrity constraints can be defined. What actions does referential integrity constraint prevent from happening when data is inserted in table which contains this constraint?
Develop a RDBMS (Relational Database Management System) in Python. The RDBMS should actually be written in Python, not just interface with some other DBMS. This system should track students: Personal Data, Schedules and Grades. The system should cont..
1. create a function that returns the day of the week for a specified date.create or replace function
You are creating a database of measured meteorological data for use in weather and climate research. Explain a structure type measured_data_t with components site_id_num.
Athabasca University has about 32,000 students between the ages of 17 to 60. Consider the AU student relation with the following schema.
Discuss the Apache Web server in regard to cost, functionality, and compatibility. Are there certain implementations were it may not be suitable
Perform a Payback Analysis for given project - Draw a decision table that shows all possible rules for the above scenario.
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
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