Oracle取隨機數函式

chncaesar發表於2013-12-04
Oracle隨機函式
The basic function gets a random number, greater than or equal to 0 and less than 1, with 38 digits to the right of the decimal (38-digit precision).
Alternatively, you can get a random Oracle number x, where x is greater than or equal to low and less than high.

SELECT DBMS_RANDOM.VALUE,DBMS_RANDOM.VALUE(1,100) FROM DUAL;

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