Extended Relational Algebra
CSE 4/562 – Database Systems
February 12, 2018
Extended Relational Algebra
- Set Operations
- Select ($\sigma$), Project ($\pi$), Join ($\bowtie$), Union ($\cup$)
- Bag Operations
- Distinct ($\delta$), Outer Joins
- List Operations
- Sort ($\tau$), Limit
- Arithmetic Operations
- Extended Projection ($\pi$), Aggregation ($\sigma$), Grouping ($\gamma$)