2 Commits

Author	SHA1	Message	Date
hadley	cc93ec0f1f	More about relational data. ... Starting to reorganise joins section a bit.	2016-01-08 08:53:19 -06:00
hadley	6982ec43eb	Move two-table verbs out into new relational data chapter	2016-01-07 10:20:29 -06:00