(PHP 4, PHP 5, PECL OCI8 >= 1.0.0)
ocicolumnprecision — oci_field_precision() ､ﾎ･ｨ･､･�｢･ｹ
､ｳ､ﾎｴﾘｿﾏｼ｡､ﾎｴﾘｿﾎ･ｨ･､･�｢･ｹ､ﾇ､ｹ｡｣ oci_field_precision().