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can you write relational algebra into sql queries Code Example
can you write relational algebra into sql queries 
σ topic = "Database" (Tutorials)
Source: www.guru99.com
can you write relational algebra into sql queries 
Relational Algebra is a theoretical model which is the fundamental block for SQL. It comprises different mathematics operations.
Operations are divided into two main categories: Basic and Derived.
Basic Consist of six Operations: SELECT, PROJECT, UNION, SET DIFFERENCE, CARTESIAN PRODUCT, RENAME.
Derived Consist of three Operations: JOINS, INTERSECTION, DIVISION.
Source: www.scaler.com



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