SELECT EMPNO, ENAME, SAL, NULL AS TDATE FROM EMP UNION
SELECT EMPNO,ENAME,SAL,TDATE FROM EMP6 On 2/18/12, happytoday <ehabaziz2...@gmail.com> wrote: > I was running an example from some site and I completed the > requirements of that example with the below error : > select empno, ename, sal, to_char(null) as "Transfer Date" from emp > > UNION > > select empno,ename,sal,tdate from emp6; > > > > select empno, ename, sal, to_char(null) as "Transfer Date" from emp > * > > ERROR at line 1: > ORA-01790: expression must have same datatype as corresponding > expression > > > > > > > > -- > You received this message because you are subscribed to the Google > Groups "Oracle PL/SQL" group. > To post to this group, send email to Oracle-PLSQL@googlegroups.com > To unsubscribe from this group, send email to > oracle-plsql-unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/Oracle-PLSQL?hl=en > -- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To post to this group, send email to Oracle-PLSQL@googlegroups.com To unsubscribe from this group, send email to oracle-plsql-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Oracle-PLSQL?hl=en
