Displaying a Running Total Using SUM as an Analytical Function : UNBOUNDED « Analytical Functions « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Analytical Functions
3. UNBOUNDED

SQL>
SQL> -- create demo table
SQL> create table myTable(
  2    id           NUMBER(2),
  3    value        NUMBER(6,2)
  4  )
  5  /

Table created.

SQL>
SQL> -- prepare data
SQL> insert into myTable(ID,  value)values (1,9);

1 row created.

SQL> insert into myTable(ID,  value)values (2,2.11);

1 row created.

SQL> insert into myTable(ID,  value)values (3,3.44);

1 row created.

SQL> insert into myTable(ID,  value)values (4,-4.21);

1 row created.

SQL> insert into myTable(ID,  value)values (5,10);

1 row created.

SQL> insert into myTable(ID,  value)values (6,3);

1 row created.

SQL> insert into myTable(ID,  value)values (7,-5.88);

1 row created.

SQL> insert into myTable(ID,  value)values (8,123.45);

1 row created.

SQL> insert into myTable(ID,  value)values (9,98.23);

1 row created.

SQL> insert into myTable(ID,  value)values (10,938.23);

1 row created.

SQL> insert into myTable(ID,  value)values (11,984.23);

1 row created.

SQL> insert into myTable(ID,  value)values (12,198.23);

1 row created.

SQL> insert into myTable(ID,  value)values (13,928.87);

1 row created.

SQL> insert into myTable(ID,  value)values (14,25.37);

1 row created.

SQL> insert into myTable(ID,  value)values (15,918.3);

1 row created.

SQL> insert into myTable(ID,  value)values (16,9.23);

1 row created.

SQL> insert into myTable(ID,  value)values (17,8.23);

1 row created.

SQL>
SQL> select * from myTable
  2  /

        ID      VALUE
---------- ----------
         1          9
         2       2.11
         3       3.44
         4      -4.21
         5         10
         6          3
         7      -5.88
         8     123.45
         9      98.23
        10     938.23
        11     984.23
        12     198.23
        13     928.87
        14      25.37
        15      918.3
        16       9.23
        17       8.23

17 rows selected.

SQL>
SQL>
SQL> COLUMN "Running total" FORMAT 99,999.99
SQL> SELECT id "ID", value,
  2    SUM(value) OVER(ORDER BY id
  3      ROWS BETWEEN UNBOUNDED PRECEDING
  4      AND CURRENT ROW) "Running total"
  5  FROM myTable
  6  ORDER BY id;

        ID      VALUE Running total
---------- ---------- -------------
         1          9          9.00
         2       2.11         11.11
         3       3.44         14.55
         4      -4.21         10.34
         5         10         20.34
         6          3         23.34
         7      -5.88         17.46
         8     123.45        140.91
         9      98.23        239.14
        10     938.23      1,177.37
        11     984.23      2,161.60

        ID      VALUE Running total
---------- ---------- -------------
        12     198.23      2,359.83
        13     928.87      3,288.70
        14      25.37      3,314.07
        15      918.3      4,232.37
        16       9.23      4,241.60
        17       8.23      4,249.83

17 rows selected.

SQL>
SQL>
SQL>
SQL> -- clean the table
SQL> drop table myTable
  2  /

Table dropped.

SQL>
SQL>
SQL>