In Oracle PL/SQL, you can use the following commands to view table details:
To update a column with a random value in PL/SQL, you can use the DBMS_RANDOM
package, which provides functions for generating random numbers or strings.
To update random number
BEGIN
UPDATE employees
SET salary = ROUND(DBMS_RANDOM.VALUE(100, 500));
COMMIT;
END;
DBMS_RANDOM.VALUE(100, 500)
generates a random decimal number between 100 and 500.- ROUND is used to convert the decimal value to an integer.
To update random string
BEGIN
UPDATE employees
SET password = DBMS_RANDOM.STRING('x', 8); -- 'x' specifies alphanumeric characters
COMMIT;
END;
DBMS_RANDOM.STRING('x', 8)
generates an 8-character alphanumeric string.- ‘x’ specifies alphanumeric characters (letters and numbers). Other options include ‘a’ for alphabets and ‘u’ for uppercase only.
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