SQL> -- create demo table
SQL> create table TestTable(
2 ID VARCHAR2(4 BYTE) NOT NULL,
3 MyName VARCHAR2(10 BYTE),
4 MyDate DATE,
5 MyNumber Number(8,2)
6 )
7 /
Table created.
SQL>
SQL>
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19960711","YYYYMMDD"),12.12);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19970622","YYYYMMDD"),-12.12);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19980513","YYYYMMDD"),22.1);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19990624","YYYYMMDD"),-2.12);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("20000415","YYYYMMDD"),2.1);
1 row created.
SQL>
SQL>
SQL> select * from TestTable;
ID MYNAME MYDATE MYNUMBER
---- ---------- --------- ----------
1 Alison 11-JUL-96 12.12
1 Alison 22-JUN-97 -12.12
1 Alison 13-MAY-98 22.1
1 Alison 24-JUN-99 -2.12
1 Alison 15-APR-00 2.1
SQL>
SQL>
SQL>
SQL> -- Shorten MyName
SQL> COLUMN MyName FORMAT a60;
SQL>
SQL> select * from TestTable;
ID MYNAME MYDATE MYNUMBER
---- ------------------------------------------------------------ --------- ----------
1 Alison 11-JUL-96 12.12
1 Alison 22-JUN-97 -12.12
1 Alison 13-MAY-98 22.1
1 Alison 24-JUN-99 -2.12
1 Alison 15-APR-00 2.1
SQL>
SQL>
SQL> COLUMN MyName clear;
SQL>
SQL>
SQL> drop table TestTable;
Table dropped.
SQL>
SQL>
SQL>