Oracle10g以降限定だけど 16*16の乱数表を吐くSQLを書いてみた。 SELECT TO_CHAR(MAX(X) KEEP (DENSE_RANK FIRST ORDER BY Y), 'FM0X') "0", TO_CHAR(MAX(X) KEEP (DENSE_RANK FIRST ORDER BY MOD(Y+1,16)), 'FM0X') "1", TO_CHAR(MAX(X) KEEP (DENSE_RANK F…