PostgreSQL 自然対数を取得するサンプル
環境
CentOS Stream release 9
PostgreSQL 15.1
構文
ln(数値);
自然対数を取得するには、「ln」関数を使用します。
使用例
SELECT
ln(1) AS "ln(1)",
ln(2) AS "ln(2)",
ln(0.5) AS "ln(0.5)";
SELECT
ln(1) AS "ln(1)",
ln(2) AS "ln(2)",
ln(0.5) AS "ln(0.5)";
SELECT
ln(1) AS "ln(1)",
ln(2) AS "ln(2)",
ln(0.5) AS "ln(0.5)";