DROPVIEW[IF EXISTS]schema_name.view_name[CASCADE CONSTRAINT];Code language:CSS(css) If you skip the schema name, Oracle assumes that the view is in your own schema. Oracle DROP VIEW Statement examples# We’ll us
数据库的运维中,经常会遇到delete drop truncate的操作,那么如何去把握它们的用法和区别呢? 比如当数据库空间爆满,已经增长到存储空间单个存储文件的最大值32G。...若要彻底删除表,则使用语句:drop table purge; Oracle命...
Oracle PL/SQL Tutorial View Drop ViewSQL> SQL> BEGIN 2 FOR i IN (SELECT null FROM user_views WHERE view_name = 'BOOKS_emp') LOOP 3 EXECUTE IMMEDIATE 'DROP VIEW books_emp'; 4 END LOOP; 5 END; 6 / PL/SQL procedure successfully completed. 8.6.Drop View 8.6.1. Dropping a View 8.6...
SQL> drop rollback segment "_SYSSMU9$";drop rollback segment "_SYSSMU9$"* ERROR 位于第 1 行...
Oracle Database - Enterprise Edition - Version 11.2.0.2 and later: Create Materialized View Results in ORA-955 But Drop Materialized View Does Not Succeed Either
1* select tablespace_name,file_name from dba_temp_files SQL> / TABLESPACE_NAME FILE_NAME --- --- TEMP /home/oracle/app/oracle/oradata/cdb1/orcl/orcl_temp01201 4-07-30_04-39-23-PM.dbf Create another Temporary Tablespace TEMP1 CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE ‘/u01/app...
Drop datafile in Oracle 10g In 9i database, the datafiles can't be dropped directly unless you will drop the whole tablespace. From 10g, you can use ‘drop datafile’ clause to drop a single datafile. When you drop a datafile, the datafile will be removed from data dictionary and control...
Oracle Database Advanced Replicationfor information on materialized views in a replication environment Oracle Data Warehousing Guidefor information on materialized views in a data warehousing environment Prerequisites To drop a materialized view log, you must have the privileges needed to drop a table. ...
argmode一个参数的模式:IN、OUT、INOUT或者VARIADIC。如果被忽略, 则默认为IN。注意DROP FUNCTION并不真正关心OUT参数,因为决定函数的身份时只需要输入参数。 因此列出IN、INOUT和VARIADIC参数就可以。 argname一个参数的名称。注意DROP FUNCTION并不真正关心参数名称,因为决定函数的身份时只需要参数的数据类型。
这是因为ORACLE的临时数据文件是一类特殊的数据文件:稀疏文件(Sparse File),当临时表空间文件创建时,它只会写入文件头部和最后块信息(only writes to the header and last block of the file)。它的空间是延后分配的.这就是你创建临时表空间或给临时表空间添加数据文件飞快的原因。