select * from all_views; 有时候需要导出某用户下的所有table、view、sequence、trigger等信息,下面的SQL可以将这些信息select出来: select * from user_tables; select * from user_views; select * from user_sequences; select * from user_trigge
Form源程序与ViewandTables(WIP) Form源程序 这个界面的Form源程序“#:\oracle\visappl\per\11.5.0\forms\US\PERWSDOR.fmx”。 画布 这个界面所用的画布是“ORG_CANVAS”。 视图 在这个界面中它会用到的是视图“PER_ORG_STRUCTURE_ELEMENTS_V2”它的SQL语句如下: CREATEORREPLACEVIEW"APPS"."PER_ORG_STRUCTUR...
SQL>select view_name from user_views; 查看创建视图的select语句 SQL>set view_name,text_length from user_views; SQL>set long 2000; 说明:可以根据视图的text_length值设定set long 的大小 SQL>select text from user_views where view_name=upper(‘&view_name’); 6、同义词 查看同义词的名称 SQL>se...
我们看到V$PARAMETER是由GV$PARAMETER创建的。 SQL> select view_definition from v$fixed_view_definition a where a.VIEW_NAME=’GV$PARAMETER’; VIEW_DEFINITION select x.inst_id,x.indx+1,ksppinm,ksppity,ksppstvl,ksppstdf, decode(bitand(kspp iflg/256,1),1,’TRUE’,’FALSE’), decode(bitand...
Visual editors for database objects in Oracle: tables, views, sequences, database link, cluster, check constraint, foreign key, table, XML schema etc.
SQL> grant select on v$mystat to hr;grant select on v$mystat to hr *ERROR at line 1:ORA-02030: can only select from fixed tables/views 说明这里授权的v$mystat不是固有视图,不能直接授权,实际这里hr访问的v$mystat是一个同义词,sys不能给同义词授权,只能授权给固定的表或视图,同义词在Oracle中可...
CREATE MATERIALIZED VIEW foreign_customers FOR UPDATE AS SELECT * FROM sh.customers@remote cu WHERE EXISTS (SELECT * FROM sh.countries@remote co WHERE co.country_id = cu.country_id); The following example creates a materialized view on two source tables: times and produ...
The following statement creates a view named backlogs whose defining query includes join clauses that join three tables: orders, order_items, and products. CREATE OR REPLACE VIEW backlogs AS SELECT product_name, EXTRACT( YEAR FROM order_date ) YEAR, SUM( quantity * unit_price ) amount FROM ...
A view is built on a collection of base tables, which can be either actual tables in an Oracle Database or other views. If you modify any of the base tables for a view so that they no longer can be used for a view, that view itself can no longer be used. In general, you can ...
I truncated tables, drop tables, now I want to dropp tahe tablespace but ot gave this error: I tried also altering the tablespace offline before dropping, but the same: ERROR at line 1: ORA-00604: error occurred at recursive SQL level 1 ...