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What does data dictionary is a special file contains ?
The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files and The data type of all fields in all files.
DBMS, Programming
Database and Information Retrieval Assignment - Data Privacy Essay Task - Write an essay (aim for 750 words) that addresses issues associated with data proivacy. Use the Australian Privacy Principles - discussed in class ...
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 ...
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 ...
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 ...
Question: Suppose a Prolog database exists that gives information about states and capital cities. Some cities are big, others small. Some states are eastern, others are western. a. Write a query to find all the small ca ...
Q1. Given the following file for assignment worker.com, identify data anomalies that must be removed before data can be loaded in data warehouse. Worker_assignment ← -----------------on course web site File is available ...
Students will select a situation or problem from their company as a course project that can be solved using a database system. Using MS Access, or MS SQL Server Express, students will create a relational database model o ...
Quesiton: 1. What is Data-Manipulation Language (DML)? There are four types of access in DML, explain each one. 2. Assume we have a Library Database consists of the following relations: author(author_id, first_name, last ...
Question : SQL Injection is in the top 10 OWASP and Common Weakness Enumeration. Using MySQL and PHP, show your own very short and simple application that is vulnerable to this attack. Provide another version that mitiga ...
Question: Lab 1: Creating a Database Design This assignment contains two (2) Sections: Database Design Diagram and Design Summary. You must submit both sections as separate files in order to complete this assignment. Not ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As