取出随机数据 取出绝对值
SQL> select dbms_random.random from dual;
RANDOM
----------
934886543
SQL> /
RANDOM
----------
1722572363
SQL> /
RANDOM
----------
1604442166
SQL> /
RANDOM
----------
1008405519
SQL> /
RANDOM
----------
1555700582
SQL> /
RANDOM
----------
-480589435
SQL> select abs(dbms_random.random) from dual;
ABS(DBMS_RANDOM.RANDOM)
-----------------------
1160674518
创建时间:2022-04-02 15:11
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