create table sc_table(
"sno" varchar2(4) not null
,"cno" varchar2(4) not null
,"score" number(3) not null
, CONSTRAINT pk_sc primary key(sno, cno));错误:, CONSTRAINT pk_sc primary key(sno, cno))
*
第 5 行出现错误:
ORA-00904: "SNO": 标识符无效无奈了!!!
"sno" varchar2(4) not null
,"cno" varchar2(4) not null
,"score" number(3) not null
, CONSTRAINT pk_sc primary key(sno, cno));错误:, CONSTRAINT pk_sc primary key(sno, cno))
*
第 5 行出现错误:
ORA-00904: "SNO": 标识符无效无奈了!!!
这样建:
....
CONSTRAINT pk_sc primary key("sno","cno"));