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UPDATE weather SET tmp_hi = tmp_hi - 2, tmp_lo = tmp_lo - 2 WHERE date > '1994-11-28';
SELECT * FROM weather; city | tmp_lo | tmp_hi | prcp | date ---------------+--------+--------+------+------------ San Francisco | 46 | 50 | 0.25 | 1994-11-27 San Francisco | 41 | 55 | 0 | 1994-11-29 Hayward | 35 | 52 | | 1994-11-29 (3 rows)
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