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Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
Explain the Functional Mode with help of an example. Functional Model The functional model shows a computation and functional derivation of data values in it without ind
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
What is Relational calculus? Relational calculus is a Non- Procedural language.
Data Scrubbing 70,000 records Project Description: We need services of a developer competent in data cleansing/Data scrubbing. Scope: - 70,000 records in CSV format.
WHAT IS DATABASE TECHNOLOGIES
Project Description: This is a Customer Management project. Customer data is presented in a text file. The program can load this text data into its database columns. The data ma
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
what should be included in this???
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
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