http://sqle.ru/index.php?action=history&feed=atom&title=Oracle_PL%2FSQL%2FView%2FAlter_View
Oracle PL/SQL/View/Alter View - История изменений
2026-04-04T00:19:40Z
История изменений этой страницы в вики
MediaWiki 1.30.0
http://sqle.ru/index.php?title=Oracle_PL/SQL/View/Alter_View&diff=2528&oldid=prev
в 13:45, 26 мая 2010
2010-05-26T13:45:19Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<tr style="vertical-align: top;" lang="ru">
<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 13:45, 26 мая 2010</td>
</tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div>
</td></tr></table>
http://sqle.ru/index.php?title=Oracle_PL/SQL/View/Alter_View&diff=2529&oldid=prev
Admin: 1 версия
2010-05-26T10:01:53Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Alter view to recompile==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="sql"><br />
<br />
SQL><br />
SQL><br />
SQL> create table t(<br />
2 id number,<br />
3 data varchar2(200) );<br />
Table created.<br />
SQL><br />
SQL><br />
SQL> create or replace view view_t as<br />
2 select id view_id, data view_data<br />
3 from t;<br />
View created.<br />
SQL><br />
SQL> alter view view_t compile;<br />
View altered.<br />
SQL><br />
SQL><br />
SQL> drop table t;<br />
Table dropped.<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==The OR REPLACE clause is used to modify a view; basically, you are re-creating the view.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="sql"><br />
<br />
SQL><br />
SQL><br />
SQL> CREATE TABLE EMP(<br />
2 EMPNO NUMBER(4) NOT NULL,<br />
3 ENAME VARCHAR2(10),<br />
4 JOB VARCHAR2(9),<br />
5 MGR NUMBER(4),<br />
6 HIREDATE DATE,<br />
7 SAL NUMBER(7, 2),<br />
8 COMM NUMBER(7, 2),<br />
9 DEPTNO NUMBER(2)<br />
10 );<br />
Table created.<br />
<br />
SQL> INSERT INTO EMP VALUES(2, "Jack", "Tester", 6,TO_DATE("20-FEB-1981", "DD-MON-YYYY"), 1600, 300, 30);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(3, "Wil", "Tester", 6,TO_DATE("22-FEB-1981", "DD-MON-YYYY"), 1250, 500, 30);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(4, "Jane", "Designer", 9,TO_DATE("2-APR-1981", "DD-MON-YYYY"), 2975, NULL, 20);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(5, "Mary", "Tester", 6,TO_DATE("28-SEP-1981", "DD-MON-YYYY"), 1250, 1400, 30);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(6, "Black", "Designer", 9,TO_DATE("1-MAY-1981", "DD-MON-YYYY"), 2850, NULL, 30);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(7, "Chris", "Designer", 9,TO_DATE("9-JUN-1981", "DD-MON-YYYY"), 2450, NULL, 10);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(8, "Smart", "Helper", 4,TO_DATE("09-DEC-1982", "DD-MON-YYYY"), 3000, NULL, 20);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(9, "Peter", "Manager", NULL,TO_DATE("17-NOV-1981", "DD-MON-YYYY"), 5000, NULL, 10);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(10, "Take", "Tester", 6,TO_DATE("8-SEP-1981", "DD-MON-YYYY"), 1500, 0, 30);<br />
1 row created.<br />
SQL> INSERT INTO EMP VALUES(13, "Fake", "Helper", 4,TO_DATE("3-DEC-1981", "DD-MON-YYYY"), 3000, NULL, 20);<br />
1 row created.<br />
SQL><br />
SQL><br />
SQL> CREATE OR REPLACE VIEW TOP_EMP<br />
2 (emp_id, ename, SALARY) AS<br />
3 SELECT empno, ename, sal<br />
4 FROM emp<br />
5 WHERE sal > 2999;<br />
View created.<br />
SQL><br />
SQL><br />
SQL> drop table emp;<br />
Table dropped.<br />
<br />
<br />
<br />
</source></div>
Admin