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AQuery/tests/q4.a

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create table ticks(id varchar(20), timestamp int, tradeDate date, price int)
load data infile "data/stocksym_price.csv"
into table ticks fields terminated by ","
-- select max(price - mins(price))
-- from ticks assuming asc timestamp
-- where ID = "S" and tradeDate= '01-10-22';
select max(price - mins(price))
from ticks assuming asc timestamp
where ID = "S" and tradeDate= '2022-10-01';
DROP TABLE IF EXISTS ticks
CREATE TABLE ticks(ID varchar(20), date int, endofdayprice int)
LOAD DATA INFILE "data/ticks.csv" INTO TABLE TICKS FIELDS TERMINATED BY ","
SELECT max(endofdayprice/prev(endofdayprice)) as Max_Ratio
FROM ticks
ASSUMING ASC date
WHERE ID = "3001"