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The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Consider an information system designed for an online company which provides IT products and services. These include desktops, laptops, networking products, IT books, parts, and te
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Automated system for appointment with sms and call confirmation with service providers and user has to be initiate automatically. After selecting time and date to use service, s
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Data Warehousing & Mining 1. What is the concept of knowledge discovery in database? 2. Describe the following types of Multidimensional Data Models. • Stars, Snowflakes and
Describe a technique for direct search? Explain how data is stored within a file so which direct searching can be performed. For a file of unordered fixed length records by u
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