nodes
- database
- relational calculus, relational algebra, relational algebra aggregate functions, rename operation, join operation, delete operation, project operation, division operation, the select operation, update operation, insert operation
- first normal form, second normal form, third normal form, fourth normal form, fifth normal form, boyce-codd normal form
- sql, group by operator, sql operations
- mongodb
- database course homework 1
- database course homework 2
- database course homework 3
- big data course homework 2
- big data course homework 3
books
(princ (book-collage (list "blk:1702116967")))
;; "blk:1725304967.7905385"