в 13:45, 26 мая 2010

2010-05-26T13:45:19Z

Admin: 1 версия

2010-05-26T09:55:26Z

1 версия

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==execute dbms_lock.sleep(42)==



<source lang="sql">

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.

</source>

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в 13:45, 26 мая 2010

Admin: 1 версия