Database and OLAP toos

Sears competes using database warehouse and OLAP tools. What can be done to overcome store managers' resistance to the use of data and analytical tools? Is their resistance to analysis necessarily a bad thing?

Why is SQL such an important query language for relational databases?

Why is SQL such an important query language for relational databases?

Database Management System

Q1. State advantages of separating the database management system from application software Q2. Explain one advantage that: a. A sequential file has over an indexed file b. A sequential file has over a hash file c. An indexed file has over a sequential file d. An indexed file has over a hash file e. A hash file has ...continues

SQL Statements To Run In SQl Server

write SQL queries using Between, Like and Union: • Write a SQL query that joins two tables in the example database and uses BETWEEN to restrict record selection. (Use salary to restrict the data.) • Write a SQL query that joins two tables in the example database and uses BETWEEN to restrict record selection. (U ...continues

Interesting question

As you review your program, you realize there are various decisions and repetitive actions that need to be made. Some of the decisions involve the determination of the price for the client and whether a payment was received. Some of the repetitive actions involve the processing and printing of invoices for all clients. The vario ...continues

Need help with database

Jim and Tim have been toying with a new prototype for a robot. It is a miniature robotic dog that can bark, roll over, come when called by name and learn other tricks. Some loyal customers have been part of the process and are already interested in making a purchase. Due to the envisioned popularity of this new robot, Jim and Ti ...continues

Need help with database

As you were reviewing the different programming languages in the Cybrary and the Internet, you found some libraries with functions and procedures that you could use rather than write the code from scratch on your own. However, some of the code needs some modification to fit into your program. Nevertheless, you find 3 sets of cod ...continues

Need help with database

You realize that the code you had created can be reused for many other purposes for future programs. You decide to create a library for your reusable code. Using the pseudocode for the program, you identify the aspects of the program that can be reusable and write/rewrite it so it can be reused. You rewrite your pseudocode to im ...continues

Database

Suppose a sequential file contains 50,000 records, and 5 milliseconds are required to interrogate an entry. How long should we expect to wait when retrieving a record from the middle of the file?(CAN YOU EXPLAIN THE SOLUTION) In terms of the relations shown below, what is the appearance of the relation RESULT after executing ...continues

Based on your work to date and information you gather from Jim and Tim (click here to download), draft a set of business rules for the database you are designing.

Based on your work to date and information you gather from Jim and Tim (click here to download), draft a set of business rules for the database you are designing.