Oracle SQL无法找到错误原因

Question

我在创建表的代码中遇到了无效的标识符错误.我的代码的每个其他部分都执行正常,但这一个表没有.

CREATE TABLE saleinv
(saleinv VARCHAR(6)
,cname VARCHAR (20) NOT NULL
,salesman VARCHAR(20) NOT NULL
,saledate DATE
,serial VARCHAR(8) NOT NULL
,totalprice NUMERIC(9,2)
,discount NUMERIC(8,2)
,net NUMERIC(9,2)
,tax NUMERIC(8,2)
,licfee NUMERIC(6,2)
,comission NUMERIC(8,2)
,tradeserial VARCHAR(8) NOT NULL
,tradeallow NUMERIC(9,2)
,fire VARCHAR(1)
      CHECK (fire IN ('Y','N'))
,collision VARCHAR(1)
      CHECK (collision IN ('Y','N'))
,liability VARCHAR(1)
      CHECK (liability IN ('Y','N'))
,property VARCHAR(1)
      CHECK (property IN ('Y','N'))
,CONSTRAINT salesinv_saledate_nn NOT NULL
      CHECK (saledate > TO_DATE('01-JAN-1990','DD-MON-YYYY'))
,CONSTRAINT saleinv_pk PRIMARY KEY (saleinv)
,CONSTRAINT saleinv_cname_fk FOREIGN KEY (cname) REFERENCES customer (cname)
,CONSTRAINT saleinv_salesman_fk FOREIGN KEY (salesman) REFERENCES employee (empname)
,CONSTRAINT saleinv_serial_fk FOREIGN KEY (serial) REFERENCES car (serial)
,CONSTRAINT saleinv_tradeserial_fk FOREIGN KEY (tradeserial) REFERENCES car (serial)
)

这是输出:

Error report -
ORA-00904: : invalid identifier
00904. 00000 -  "%s: invalid identifier"
*Cause:    
*Action:

如果有人能帮我弄清楚为什么会发生这种错误将不胜感激.

Answer 1

SQL*Plus是一个很好的工具.那些靠GUI生活的人,死于GUI.

向下滚动; 然后从第23行删除"NOT NULL"并将其放入第5行.

SQL> CREATE TABLE saleinv
  2  (saleinv VARCHAR(6)
  3  ,cname VARCHAR (20) NOT NULL
  4  ,salesman VARCHAR(20) NOT NULL
  5  ,saledate DATE
  6  ,serial VARCHAR(8) NOT NULL
  7  ,totalprice NUMERIC(9,2)
  8  ,discount NUMERIC(8,2)
  9  ,net NUMERIC(9,2)
 10  ,tax NUMERIC(8,2)
 11  ,licfee NUMERIC(6,2)
 12  ,comission NUMERIC(8,2)
 13  ,tradeserial VARCHAR(8) NOT NULL
 14  ,tradeallow NUMERIC(9,2)
 15  ,fire VARCHAR(1)
 16        CHECK (fire IN ('Y','N'))
 17  ,collision VARCHAR(1)
 18        CHECK (collision IN ('Y','N'))
 19  ,liability VARCHAR(1)
 20        CHECK (liability IN ('Y','N'))
 21  ,property VARCHAR(1)
 22        CHECK (property IN ('Y','N'))
 23  ,CONSTRAINT salesinv_saledate_nn NOT NULL
 24        CHECK (saledate > TO_DATE('01-JAN-1990','DD-MON-YYYY'))
 25  ,CONSTRAINT saleinv_pk PRIMARY KEY (saleinv)
 26  ,CONSTRAINT saleinv_cname_fk FOREIGN KEY (cname) REFERENCES customer (cname)
 27  ,CONSTRAINT saleinv_salesman_fk FOREIGN KEY (salesman) REFERENCES employee (empname)
 28  ,CONSTRAINT saleinv_serial_fk FOREIGN KEY (serial) REFERENCES car (serial)
 29  ,CONSTRAINT saleinv_tradeserial_fk FOREIGN KEY (tradeserial) REFERENCES car (serial)
 30  );
,CONSTRAINT salesinv_saledate_nn NOT NULL
                                 *
ERROR at line 23:
ORA-00904: : invalid identifier


SQL>