Find com_id where sum(invoice_total) not equal to zero within a month

Question

How to find com_id where sum(invoice_total) not equal to zero within a month.
SQL> select com_id from invoice group by com_id
2 where sum(invoice_total) !=0
3 and invoice_date between ADD_MONTHS(sysdate,-1) and sysdate
SQL> desc invoice;
TID NOT NULL NUMBER
COM_ID NOT NULL NUMBER
BRANCH_ID NUMBER
INVOICE_OLD_NUM VARCHAR2(4000)
INVOICE_DATE NOT NULL DATE
INVOICE_PO_NUM VARCHAR2(4000)
INVOICE_TOTAL NOT NULL NUMBER(12,2)
TRANSPORT_ID NUMBER
PAID NOT NULL VARCHAR2(4000)
CHEQUE_CASH NOT NULL VARCHAR2(10)
REMARK VARCHAR2(4000)
Thanks
Francis

Answer 1

CREATE TABLE INVOICES(
TID NUMBER NOT NULL,
COM_ID NUMBER NOT NULL,
BRANCH_ID NUMBER,
INVOICE_OLD_NUM VARCHAR2(4000),
INVOICE_DATE DATE NOT NULL,
INVOICE_PO_NUM VARCHAR2(4000),
INVOICE_TOTAL NUMBER(12,2) NOT NULL,
TRANSPORT_ID NUMBER,
PAID VARCHAR2(4000) NOT NULL,
CHEQUE_CASH VARCHAR2(10) NOT NULL,
REMARK VARCHAR2(4000)
INSERT INTO INVOICES (
TID ,
COM_ID ,
BRANCH_ID ,
INVOICE_OLD_NUM ,
INVOICE_DATE ,
INVOICE_PO_NUM ,
INVOICE_TOTAL ,
TRANSPORT_ID ,
PAID ,
CHEQUE_CASH ,
REMARK
VALUES (
1,
1,
1,
'OLD_1',
SYSDATE -40,
'PO_1',
100,
1,
'Y',
'CASH',
'REMARK_1');
INSERT INTO INVOICES (
TID ,
COM_ID ,
BRANCH_ID ,
INVOICE_OLD_NUM ,
INVOICE_DATE ,
INVOICE_PO_NUM ,
INVOICE_TOTAL ,
TRANSPORT_ID ,
PAID ,
CHEQUE_CASH ,
REMARK
VALUES (
2,
2,
1,
'OLD_1',
SYSDATE -20,
'PO_1',
100,
1,
'Y',
'CASH',
'REMARK_1');
INSERT INTO INVOICES (
TID ,
COM_ID ,
BRANCH_ID ,
INVOICE_OLD_NUM ,
INVOICE_DATE ,
INVOICE_PO_NUM ,
INVOICE_TOTAL ,
TRANSPORT_ID ,
PAID ,
CHEQUE_CASH ,
REMARK
VALUES (
3,
3,
1,
'OLD_1',
SYSDATE -10,
'PO_1',
0,
1,
'Y',
'CASH',
'REMARK_3');
SELECT COM_ID,
               SUM(INVOICE_TOTAL)
     FROM INVOICES
WHERE INVOICE_DATE BETWEEN ADD_MONTHS(SYSDATE,
                                                                                               -1) AND SYSDATE
GROUP BY COM_ID
HAVING SUM(INVOICE_TOTAL) != 0;