- page: history of transactions DONE
- update DB to allow one or more portfolios
- change database.sql DONE
- change queries for new schema DONE
- buy/sell of stocks DONE
- past/future performance DONE
- portfolio stats - doing in stats branch
- coeff of var and beta for each stock
- covariance matrix of stocks in portfolio
- strategy eval
- viewing portfolios
- removed cash_holdings from stockuser
- removed portfolio_id from transaction
- removed symbol as primary key from transaction (there could be multiple transactions with the same stock symbol)
- add timestamp (ts) as primary key of transaction
- updated database to support many portfolios to many users
- portfolio table readded
- portfolio_id added to transaction
- timestamp change by Jon
- hastransaction and hasstock updated
- file added to drop all tables quickly (drop_tables.sql)
drop table stockuser cascade constraints;
drop table stocks cascade constraints;
drop table hastransaction;
drop table hasstock;
select owner, table_name from all_tables where owner='JMF716';