sqrt(x): Returns the square root of x : sqrt « Math Functions « PostgreSQL

1. PostgreSQL
2. Math Functions
3. sqrt

sqrt(x): Returns the square root of x

postgres=#
postgres=# -- sqrt(x): Returns the square root of x
postgres=# SELECT sqrt(2.0), sqrt(4.0),
postgres-#        sqrt(pow(2.0, 2)) AS inverse_example;
       sqrt        |       sqrt        |  inverse_example
-------------------+-------------------+--------------------
 1.414213562373095 | 2.000000000000000 | 2.0000000000000000
(1 row)

postgres=#
           
       

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