3. SQL & Relational AlgebraSQL 知识点:Book《Database System Conceptsm》Chapter3、Chapter4、Chapter5 Relational Algebra 知识点:Book《Database System Conceptsm》Chapter6 w3cSchools SQL: https://www.w3schools.com/sql/ Introduction of Relational Algebra in DBMS Relational Algebra in DBMS: ...
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