Rising Temperature

• Problem
  Given a Weather table, write a SQL query to find all dates' Ids with higher temperature compared to its previous (yesterday's) dates.
  |---------|------------|------------------
  | Id(INT) | Date(DATE) | Temperature(INT) |
  +---------+------------+------------------+
  | 1 | 2015-01-01 | 10 |
  | 2 | 2015-01-02 | 25 |
  | 3 | 2015-01-03 | 20 |
  | 4 | 2015-01-04 | 30 |
  +---------+------------+------------------+
  For example, return the following Ids for the above Weather table:
  +----+
  | Id |
  +----+
  | 2 |
  | 4 |
  +----+

• code
  select w1.id from Weather w1 inner join Weather w2 on to_days(w1.date) - 1 = to_days(w2.date) and w1.temperature > w2.temperature;