execute dbms_lock.sleep(42)
SQL>
SQL> create table emp
2 ( empno NUMBER(4) constraint E_PK primary key
3 , ename VARCHAR2(8)
4 , init VARCHAR2(5)
5 , job VARCHAR2(8)
6 , mgr NUMBER(4)
7 , bdate DATE
8 , sal NUMBER(6,2)
9 , comm NUMBER(6,2)
10 , deptno NUMBER(2) default 10
11 ) ;
Table created.
SQL> insert into emp values(1,'Tom','N', 'TRAINER', 13,date '1965-12-17', 800 , NULL, 20);
1 row created.
SQL> insert into emp values(2,'Jack','JAM', 'Tester',6,date '1961-02-20', 1600, 300, 30);
1 row created.
SQL> insert into emp values(3,'Wil','TF' , 'Tester',6,date '1962-02-22', 1250, 500, 30);
1 row created.
SQL> insert into emp values(4,'Jane','JM', 'Designer', 9,date '1967-04-02', 2975, NULL, 20);
1 row created.
SQL> insert into emp values(5,'Mary','P', 'Tester',6,date '1956-09-28', 1250, 1400, 30);
1 row created.
SQL> insert into emp values(6,'Black','R', 'Designer', 9,date '1963-11-01', 2850, NULL, 30);
1 row created.
SQL> insert into emp values(7,'Chris','AB', 'Designer', 9,date '1965-06-09', 2450, NULL, 10);
1 row created.
SQL> insert into emp values(8,'Smart','SCJ', 'TRAINER', 4,date '1959-11-26', 3000, NULL, 20);
1 row created.
SQL> insert into emp values(9,'Peter','CC', 'Designer',NULL,date '1952-11-17', 5000, NULL, 10);
1 row created.
SQL> insert into emp values(10,'Take','JJ', 'Tester',6,date '1968-09-28', 1500, 0, 30);
1 row created.
SQL> insert into emp values(11,'Ana','AA', 'TRAINER', 8,date '1966-12-30', 1100, NULL, 20);
1 row created.
SQL> insert into emp values(12,'Jane','R', 'Manager', 6,date '1969-12-03', 800 , NULL, 30);
1 row created.
SQL> insert into emp values(13,'Fake','MG', 'TRAINER', 4,date '1959-02-13', 3000, NULL, 20);
1 row created.
SQL> insert into emp values(14,'Mike','TJA','Manager', 7,date '1962-01-23', 1300, NULL, 10);
1 row created.
SQL>
SQL> col versions_starttime format a21
SQL> col versions_endtime format a21
SQL>
SQL> create table e as select * from emp;
Table created.
SQL> alter session set NLS_TIMESTAMP_FORMAT='DD-MON-YYYY HH24:MI:SS.FF3';
Session altered.
SQL> select localtimestamp as table_created from dual;
TABLE_CREATED
---------------------------------------------------------------------------
26-OKT-2009 10:08:54.245
SQL>
SQL> execute dbms_lock.sleep(42);
PL/SQL procedure successfully completed.
SQL> update e
2 set sal = sal + 10;
14 rows updated.
SQL> commit;
Commit complete.
SQL> select localtimestamp as after_update_1 from dual;
AFTER_UPDATE_1
---------------------------------------------------------------------------
26-OKT-2009 10:09:36.494
SQL>
SQL> execute dbms_lock.sleep(16);
PL/SQL procedure successfully completed.
SQL> update e
2 set sal = sal - 20
3 where deptno = 10;
3 rows updated.
SQL> commit;
Commit complete.
SQL> select localtimestamp as after_update_2 from dual;
AFTER_UPDATE_2
---------------------------------------------------------------------------
26-OKT-2009 10:09:52.657
SQL>
SQL> execute dbms_lock.sleep(42);
PL/SQL procedure successfully completed.
SQL> delete from e
2 where deptno <= 20;
8 rows deleted.
SQL> commit;
Commit complete.
SQL> select localtimestamp now from dual;
NOW
---------------------------------------------------------------------------
26-OKT-2009 10:10:34.850
SQL>
SQL>
SQL> drop table emp;
Table dropped.
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