Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Videos > Database Management System (DBMS) > Additional Relational Algebra Operations
Additional Relational Algebra Operations Video Lecture | Database Management System (DBMS) - Computer Science Engineering (CSE)
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62 videos|66 docs|35 tests
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FAQs on Additional Relational Algebra Operations Video Lecture - Database Management System (DBMS) - Computer Science Engineering (CSE)
| 1. What are some common relational algebra operations used in computer science engineering? |  |
Ans. Some common relational algebra operations used in computer science engineering include selection, projection, set union, set difference, Cartesian product, and join operations.
| 2. How are relational algebra operations helpful in database management systems? | |
Ans. Relational algebra operations help in manipulating and querying data in database management systems by providing a theoretical foundation for relational databases and enabling the execution of various operations on tables.
| 3. Can you provide an example of how selection operation works in relational algebra? | |
Ans. In relational algebra, the selection operation is used to select rows from a relation that satisfy a specified condition. For example, selecting all employees with a salary greater than $50,000 from an employee table.
| 4. What is the purpose of the projection operation in relational algebra? | |
Ans. The projection operation in relational algebra is used to select specific columns from a relation, creating a new relation with only the specified columns. This helps in reducing the amount of data retrieved from a database and improving query performance.
| 5. How does the join operation work in relational algebra? | |
Ans. The join operation in relational algebra combines tuples from two different relations based on a common attribute, creating a new relation that includes columns from both relations. This operation is crucial for linking data from multiple tables in a database.
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Nov 24, 2024 Last updated |
Video Description: Additional Relational Algebra Operations for Computer Science Engineering (CSE) 2024 is part of Database Management System (DBMS) preparation.
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