Nice schema. Do you have a valid one?
--- The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume. >-----Original Message----- >From: sqlite-users [mailto:sqlite-users- >boun...@mailinglists.sqlite.org] On Behalf Of Rocky Ji >Sent: Sunday, 17 February, 2019 09:47 >To: SQLite mailing list >Subject: [sqlite] How to get aggregate without reducing number of >rows (repeats are ok)? > >Hello everyone, > >How can I prevent group by clause from reducing the number of rows >without >affecting accuracy of what aggregate functions provide? > >Scenario: >My club has-many coaches. >Each coach trains a team of players. >Of course, a player has-many matches and a match has-many players. >Given the schema: https://pastebin.com/raw/C77mXsHJ >and sample data: https://pastebin.com/raw/GhsYktRS > >I want a result like: https://pastebin.com/raw/stikDvYS > >NOTE: for a match X, profit/match is `sum(salary of all players >playing in >X) - X.bets` > >To get the result, here's what I came up with: >https://pastebin.com/ckgicBWS > >If I un-comment those lines, I get the profit column but rows are >reduced, >how can I prevent that? > >Thanks, >Rocky. >_______________________________________________ >sqlite-users mailing list >sqlite-users@mailinglists.sqlite.org >http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users