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commit 27e9238236db2451f3c66d37d2dc402b2ed26db9
parent 24befc51112cd6fc12c092db979032d5299cc1b5
Author: a3nm <>
Date:   Sun, 17 Jun 2018 01:37:33 +0200

relational algebra

Diffstat: | 4++++
1 file changed, 4 insertions(+), 0 deletions(-)

diff --git a/ b/ @@ -22,6 +22,10 @@ We can usually rewrite CQs and UCQs to disallow constants, at the expense of cha Many restrictions of CQs and UCQs have been designed in order to ensure the tractability of the [query evaluation]() task; check this article for such definitions. +## Relational algebra + +Another way to express queries is via the [relational algebra](). + # Datalog TODO