Change name on the sql table


SQL> select * from dept;
DEPTNO DNAME LOC
---------- -------------- -------------
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
SQL> SELECT DEPTNO as id, DNAME as "DEPT. Name", LOC as Location FROM dept;
ID DEPT. Name LOCATION
---------- -------------- -------------
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
SQL> SELECT
2 DEPTNO as "id"
3 DNAME as "Dept. Name",
4 LOC as Location
5 FROM dept;
DNAME as "Dept. Name",
*
ERROR at line 3:
ORA-00923: FROM keyword not found where expected
SQL> SELECT
2 DEPTNO as "id"
3 ,
4 DNAME as "Dept. Name",
5 LOC as location
6 FROM dept;
id Dept. Name LOCATION
---------- -------------- -------------
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
SQL>
EXAMPLE 2
SQL> select ename, empno from emp where empno > 7800 order by ename;
ENAMEÂ Â Â Â Â Â Â Â Â Â EMPNO
---------- ----------
ADAMSÂ Â Â Â Â Â Â Â Â Â Â 7876
FORDÂ Â Â Â Â Â Â Â Â Â Â Â 7902
JAMESÂ Â Â Â Â Â Â Â Â Â Â 7900
KINGÂ Â Â Â Â Â Â Â Â Â Â Â 7839
MILLERÂ Â Â Â Â Â Â Â Â Â 7934
TURNERÂ Â Â Â Â Â Â Â Â Â 7844
6 rows selected.
SQL> select ename as "Full Name", empno as "ID" from emp where empno > 7800 order by ename;
Full Name         ID
---------- ----------
ADAMSÂ Â Â Â Â Â Â Â Â Â Â 7876
FORDÂ Â Â Â Â Â Â Â Â Â Â Â 7902
JAMESÂ Â Â Â Â Â Â Â Â Â Â 7900
KINGÂ Â Â Â Â Â Â Â Â Â Â Â 7839
MILLERÂ Â Â Â Â Â Â Â Â Â 7934
TURNERÂ Â Â Â Â Â Â Â Â Â 7844
6 rows selected.
SQL>Â
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