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Q1) Assume you have a table that contains 27,000 data records, and you have an unclustered B+ Tree Index on the table. Assume further that each index node can contain up to 100 pointers.
DBMS, Programming
You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL. The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, Propert ...
Case Study: Problem 1 The case study company has experienced rapid growth in both the size of its client base and also in the services provided to clients. Unfortunately, the growth in data management policies, procedure ...
SQL Write a SELECT statement that returns one column from the Vendor table named Full Name. Create this column from the VendorContactFName and VendorContactLName columns. Format it as follows: last name, comma, first nam ...
Assignment Question - Write and run SQL statements to complete the following tasks Part A - DML 1. Locate the record in the vendor table that does not have a value for the attribute V_STATE 2. Find the customers whose ba ...
Data model development and implementation Purpose of the assessment (with ULO Mapping) The purpose of this assignment is to develop data models and map Database System into a standard development environment to gain unde ...
A School's office of the registrar maintains data about the following entities: a) courses (including course number, title, credits, syllabus and prerequisites), b) course offerings (including course number, year, semest ...
Assignment A restaurant is designing a database to keep track of customer services. A customer is defined as a customer ID, name, address and a telephone number. Customers are served by employees. Each employee is define ...
Suppose that we have a table of house prices and a table of zip codes: • hprices(hid (PK),address,bedrooms,price,zipcode) • zipcodes(zipcode (PK),state) Write a SQL query that finds the average, maximum, and minimum pric ...
SQL Assignment In these exercises, you'll enter and run your own SELECT statements. You will use the MyGuitarShop database for these queries. If you do not already have the MyGuitarShop database, the SQL script and the i ...
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 ...
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