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Define- relational algebra.
The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relation as output.
Data Mining 1. What is data mining? Write Data Mining applications. 2. Explain OLAP? Write the benefits of OLAP. 3. What are the key features of a Data Warehouse? 4. W
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as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
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