floor(x): Returns the largest whole integer not greater than x (rounds down) : floor « Math Functions « PostgreSQL

1. PostgreSQL
2. Math Functions
3. floor

floor(x): Returns the largest whole integer not greater than x (rounds down)

postgres=#
postgres=#
postgres=# -- floor(x): Returns the largest whole integer not greater than x (rounds down)
postgres=# SELECT floor(1.0) AS one,
postgres-#        floor(1.1) AS "one point one",
postgres-#        floor(1.8) AS "one point eight";
 one | one point one | one point eight
-----+---------------+-----------------
   1 |             1 |               1
(1 row)

postgres=#
           
       

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