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SQL> CREATE TABLE STUDENT
  2  (SNO NUMBER(6),
  3  SNAME VARCHAR2(10) CONSTRAINT SNAME_NN NOT NULL,
  4  COURSE CHAR(10),
  5  FEE NUMBER(10) CONSTRAINT FEE_NN NOT NULL,
  6  DOB DATE CONSTRAINT DOB_NN NOT NULL,
  7  CONSTRAINT SNO_PK PRIMARY KEY(SNO),
  8  CONSTRAINT SNAME_CK CHECK(SNAME=UPPER(SNAME)),
  9  CONSTRAINT COURSE_CK CHECK(COURSE='JAVA','ORACLE','.NET')),
 10  CONSTRAINT FEE_CK CHECK(FEE>500));
CONSTRAINT COURSE_CK CHECK(COURSE='JAVA','ORACLE','.NET'))


please help me.

thank u.
Posted

1 solution

The check constraints checking multiple values should have IN operator

Try:
SQL
CREATE TABLE STUDENT (
  SNO NUMBER(6),
  SNAME VARCHAR2(10) CONSTRAINT SNAME_NN NOT NULL,
  COURSE CHAR(10),
  FEE NUMBER(10) CONSTRAINT FEE_NN NOT NULL,
  DOB DATE CONSTRAINT DOB_NN NOT NULL,
  CONSTRAINT SNO_PK PRIMARY KEY(SNO),
  CONSTRAINT SNAME_CK CHECK(SNAME=UPPER(SNAME)),
  CONSTRAINT COURSE_CK CHECK(COURSE IN('JAVA','ORACLE','.NET')),
  CONSTRAINT FEE_CK CHECK(FEE>500)
);
 
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