Mega Code Archive
NUMBER datatype
<![CDATA[
SQL>
SQL> CREATE TABLE precision (
2 value NUMBER(38,5),
3 scale NUMBER(10));
Table created.
SQL>
SQL> INSERT INTO precision (value, scale)
2 VALUES (12345, 0);
1 row created.
SQL> INSERT INTO precision (value, scale)
2 VALUES (123456, 0);
1 row created.
SQL> INSERT INTO precision (value, scale)
2 VALUES (123.45, 0);
1 row created.
SQL> INSERT INTO precision (value, scale)
2 VALUES (12345, 2);
1 row created.
SQL> INSERT INTO precision (value, scale)
2 VALUES (123.45, 2);
1 row created.
SQL> INSERT INTO precision (value, scale)
2 VALUES (12.345, 2);
1 row created.
SQL> INSERT INTO precision (value, scale)
2 VALUES (1234.5, 2);
1 row created.
SQL>
SQL> commit;
Commit complete.
SQL>
SQL> SET SERVEROUTPUT ON
SQL>
SQL> DECLARE
2 v_integer NUMBER(5);
3 v_scale_2 NUMBER(5,2);
4 v_real NUMBER;
5
6 CURSOR scale_0_cur
7 IS
8 SELECT value
9 FROM precision
10 WHERE scale = 0;
11
12 CURSOR scale_2_cur
13 IS
14 SELECT value
15 FROM precision
16 WHERE scale = 2;
17 BEGIN
18
19
20 DBMS_OUTPUT.PUT_LINE(' ');
21 DBMS_OUTPUT.PUT_LINE('PRECISION 5 SCALE 2');
22
23 OPEN scale_2_cur;
24
25 -- Loop through all records that have a scale of 2
26 LOOP
27 FETCH scale_2_cur INTO v_real;
28 EXIT WHEN scale_2_cur%NOTFOUND;
29
30 -- Assign different values to the v_scale_2 variable
31 -- to see how it handles it
32 BEGIN
33 DBMS_OUTPUT.PUT_LINE(' ');
34 DBMS_OUTPUT.PUT_LINE('Assigned: '||v_real);
35
36 v_scale_2 := v_real;
37
38 DBMS_OUTPUT.PUT_LINE('Stored: '||v_scale_2);
39 EXCEPTION
40 WHEN OTHERS
41 THEN
42 DBMS_OUTPUT.PUT_LINE('Exception: '||sqlerrm);
43 END;
44 END LOOP;
45
46 CLOSE scale_2_cur;
47
48 END;
49 /
PRECISION 5 SCALE 2
Assigned: 12345
Exception: ORA-06502: PL/SQL: numeric or value error: number precision too large
Assigned: 123.45
Stored: 123.45
Assigned: 12.345
Stored: 12.35
Assigned: 1234.5
Exception: ORA-06502: PL/SQL: numeric or value error: number precision too large
PL/SQL procedure successfully completed.
SQL>
SQL> drop table precision;
Table dropped.
SQL>
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