alter session set NLS_DATE_FORMAT='DD-MM-YYYY'

    

SQL> create table history
  2  ( empno      NUMBER(4)
  3  , beginyear  NUMBER(4)
  4  , begindate  DATE
  5  , enddate    DATE
  6  , deptno     NUMBER(2)
  7  , sal       NUMBER(6,2)
  8  , comments   VARCHAR2(60)
  9  , constraint H_PK         primary key
 10                            (empno,begindate)
 11  , constraint H_BEG_END    check
 12                            (begindate < enddate)
 13  ) ;

Table created.

SQL>
SQL>
SQL> alter session  set NLS_DATE_FORMAT='DD-MM-YYYY';

Session altered.

SQL>
SQL> insert into history values (1,2000,'01-01-2000','01-02-2000',40, 950,'');

1 row created.

SQL> insert into history values (1,2000,'01-02-2000', NULL       ,20, 800,'restarted');

1 row created.

SQL>
SQL> insert into history values (2,1988,'01-06-1988','01-07-1989',30,1000,'');

1 row created.

SQL> insert into history values (2,1989,'01-07-1989','01-12-1993',30,1300,'');

1 row created.

SQL> insert into history values (2,1993,'01-12-1993','01-10-1995',30,1500,'');

1 row created.

SQL> insert into history values (2,1995,'01-10-1995','01-11-2009',30,1700,'');

1 row created.

SQL> insert into history values (2,2009,'01-11-2009', NULL       ,30,1600,'just hired');

1 row created.

SQL>
SQL>
SQL> select empno, begindate, comments
  2  from   history
  3  where  comments like '%0\%%' escape '\';

no rows selected

SQL>
SQL> drop table history;

Table dropped.

SQL>

Related examples in the same category

1.	alter the session with the ALTER SESSION statement and set the session's time zone forward
2.	alter session set nls_date_format = 'dd-MON-yyyy hh24:mi:ss';
3.	alter session set OPTIMIZER_MODE = RULE
4.	Adjust your session time zone to -08:00, display the contents of your time table.
5.	alter session set cursor_sharing = force
6.	alter session set use_stored_outlines
7.	Event-based call and exception tracing
8.	event-based call and exception tracing.
9.	SQL trace
10.	uses dynamic SQL to issue an ALTER SESSION statement.
11.	ALTER SESSION SET QUERY_REWRITE_ENABLED
12.	alter session set sql_trace=true
13.	sql_trace a stored procedure
14.	Set the following session parameters to enable query rewrite:
15.	If your session time zone is not US/Central (-06:00), alter your session to Central time:
16.	alter session set nls_date_format = 'DD-MON-YYYY HH24:MI:SS'
17.	Alter time_zone
18.	sessiontimezone, current_timestamp
19.	demonstrates the use of DBMS_SQL to execute an ALTER SESSION statement.
20.	interaction between ALTER SESSION and autonomous transactions.
21.	ALTER SESSION SET SQL_TRACE = TRUE
22.	ALTER SESSION SET optimizer_dynamic_sampling
23.	alter session set current_schema=Smart
24.	alter session set db_file_multiblock_read_count
25.	alter session set hash_area_size
26.	alter session set nls_date_format='dd-mm-yyyy', nls_language=Dutch, nls_currency='Eur'
27.	alter session set optimizer_index_cost_adj, alter session set optimizer_index_caching
28.	alter session set optimizer_max_permutations=80000
29.	alter session set optimizer_mode=all_rows
30.	alter session set optimizer_mode=first_rows
31.	alter session set query_rewrite_integrity=enforced
32.	alter session set sort_area_size = 102400000
33.	alter session set workarea_size_policy=manual
34.	alter system flush shared_pool
35.	alter system quiesce restricted
36.	alter system resume
37.	alter system suspend
38.	set optimizer_features_enable = '8.1.5' scope = spfile
39.	show filestat
40.	show parameter optimizer_features
41.	show verify
42.	If your session time zone is not US/Central Standard Time (-06:00), alter your session to Central Standard time:

alter session set NLS_DATE_FORMAT='DD-MM-YYYY' : Session variable « SQL Plus « Oracle PL / SQL

Related examples in the same category