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The order of a leaf node in B+ tree is the maximum number of (value, data, record pointer) pairs it can hold. Given that the block size is 1K bytes, data record pointer is 7 bytes long the value field is 9 bytes long and a block pointer is 6 bytes long, What is the order of the leaf node?
Find out the internal schema of the above database
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Let us assume that a program takes 400 seconds of elapsed time to execute. Out of these 400 seconds, 320 seconds is the CPU time and the rest is I/O time. What percentage of elapsed time is spent on I/O operations?
The 1NF table(s) - and an explanation of why each table(s), is in 1NF - using normal form definitions.
From the tables implemented in answer 1, using MS-Access to develop a query to display student Fname who has the highest fine of ticket.
Give an example of a (plausible) constraint involving one or more of these relations that is not a primary key or foreign key constraint.
Consider the EER diagram for a car dealer in the figure below. Map the EER schema into a set of relations. For the VEHICLE to CAR/ TRUCK/ SUV generalization.
Design a high-level conceptual view of a data warehouse using Microsoft Visio that shows the following: Integration layers and The data warehouse
ER diagram for the Baxter Aviation database
Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price.
Review your diagram for the database, making sure that the design is complete and normalized. Create the database in SQL Server
What errors prevent the table displayed above from being first normal form compliant - Bring the tables into first normal form compliance without loss of any data. Identify primary and foreign keys for all tables.
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