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Oracle PL/SQL/SQL Plus/flashback - История изменений
2026-05-24T04:31:47Z
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в 13:45, 26 мая 2010
2010-05-26T13:45:19Z
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Admin: 1 версия
2010-05-26T09:58:47Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==flashback table e to before drop==<br />
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<!-- start source code --><br />
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<source lang="sql"><br />
<br />
SQL><br />
SQL><br />
SQL> create table emp<br />
2 ( empno NUMBER(4) constraint E_PK primary key<br />
3 , ename VARCHAR2(8)<br />
4 , init VARCHAR2(5)<br />
5 , job VARCHAR2(8)<br />
6 , mgr NUMBER(4)<br />
7 , bdate DATE<br />
8 , sal NUMBER(6,2)<br />
9 , comm NUMBER(6,2)<br />
10 , deptno NUMBER(2) default 10<br />
11 ) ;<br />
Table created.<br />
SQL> insert into emp values(1,"Tom","N", "TRAINER", 13,date "1965-12-17", 800 , NULL, 20);<br />
1 row created.<br />
SQL> insert into emp values(2,"Jack","JAM", "Tester",6,date "1961-02-20", 1600, 300, 30);<br />
1 row created.<br />
SQL> insert into emp values(3,"Wil","TF" , "Tester",6,date "1962-02-22", 1250, 500, 30);<br />
1 row created.<br />
SQL> insert into emp values(4,"Jane","JM", "Designer", 9,date "1967-04-02", 2975, NULL, 20);<br />
1 row created.<br />
SQL> insert into emp values(5,"Mary","P", "Tester",6,date "1956-09-28", 1250, 1400, 30);<br />
1 row created.<br />
SQL> insert into emp values(6,"Black","R", "Designer", 9,date "1963-11-01", 2850, NULL, 30);<br />
1 row created.<br />
SQL> insert into emp values(7,"Chris","AB", "Designer", 9,date "1965-06-09", 2450, NULL, 10);<br />
1 row created.<br />
SQL> insert into emp values(8,"Smart","SCJ", "TRAINER", 4,date "1959-11-26", 3000, NULL, 20);<br />
1 row created.<br />
SQL> insert into emp values(9,"Peter","CC", "Designer",NULL,date "1952-11-17", 5000, NULL, 10);<br />
1 row created.<br />
SQL> insert into emp values(10,"Take","JJ", "Tester",6,date "1968-09-28", 1500, 0, 30);<br />
1 row created.<br />
SQL> insert into emp values(11,"Ana","AA", "TRAINER", 8,date "1966-12-30", 1100, NULL, 20);<br />
1 row created.<br />
SQL> insert into emp values(12,"Jane","R", "Manager", 6,date "1969-12-03", 800 , NULL, 30);<br />
1 row created.<br />
SQL> insert into emp values(13,"Fake","MG", "TRAINER", 4,date "1959-02-13", 3000, NULL, 20);<br />
1 row created.<br />
SQL> insert into emp values(14,"Mike","TJA","Manager", 7,date "1962-01-23", 1300, NULL, 10);<br />
1 row created.<br />
SQL><br />
SQL> drop table emp;<br />
Table dropped.<br />
SQL><br />
SQL> flashback table e to before drop;<br />
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SQL><br />
SQL> select * from emp;<br />
<br />
SQL><br />
SQL><br />
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</source></div>
Admin