Project operator is denoted by ∏ symbol and it is used to select desired columns (or attributes) from a table (or relation). Project operator in relational algebra is similar to the Select statement in SQL.
What is a project operation?
A project operations plan shows the company’s strategy for carrying out a project. … Government agencies often request a project operations plan before approving any work. A project operations plan prevents any unplanned action that may not succeed in accomplishing project goals.
What is difference between select and project?
Select is used to select all columns of a specific tuple. Project is used to select specific columns.