"/u01/product/10.2.0/db_1/sqlplus/admin/glogin.sql" 58L, 1685C written [oracle@ora10g ~]$ exit exit SQL> quit Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production With the Partitioning, OLAP and Data Mining options [oracle@ora10g ~]$ sqlplus / as s...
其实我想不出有什么场景会用到这个,这个主要是对表的单个字段的数据压缩存储,压缩后的数据类型是varbinary(max),但是比较麻烦,毕竟等于说是人工去压缩数据,而本身SQL SERVER已经有表\索引(准确说应该是分区级别)的压缩,从存储层面去压缩数据了。 select CAST(DECOMPRESS(COMPRESS(N'{"sport":"Tennis","age": 28,...
SQL> insert into system.test values(‘system’); 1 row created. SQL> commit; Commit complete. SQL> conn system/manager Connected. SQL> select * from test; NAME ———- system SQL> ALTER SESSION SET CURRENT_SCHEMA = scott; –改变用户缺省schema名 Session altered. SQL> select * from test...
Schema has the same name as the user owns it. Schema objects include structures such as tables,views,indexes,Java,PL/SQL etc.. Schema is no relationship with tablespace. Object in the same schema can be in different tablespaces. When a database user is created,acorresponding schema with the...
SQL> insert into system.test values('system'); 1 row created. SQL> commit; Commit complete. SQL> conn system/manager Connected. SQL> select * from test; NAME --- system SQL> ALTER SESSION SET CURRENT_SCHEMA = scott; --改变用户缺省schema名 Session altered...
Parse a String in pl/sql Export with oracle datapump OraDev.com Create tablespace in Oracle This article describes how to create a tablespace in Oracle The basic command is: CREATE TABLESPACE tablespacename> datafile '/dir/datafilename.dbf' size for example: CREATE TABLESPACE temp_tbs ...
select 'alter user '||username||' LOCAL TEMPORARY TABLESPACE '||TEMPORARY_TABLESPACE||';' from dba_users where username not in ('XS$NULL'); SQL> select username,DEFAULT_TABLESPACE,TEMPORARY_TABLESPACE,LOCAL_TEMP_TABLESPACE from dba_users; USERNAME DEFAULT_TABLESPACE TEMPORARY_TABLESPACE ...
The following tableshows the minimum compatibility requirements of the source and targettablespace in various scenarios. The source and target database need not havethe same compatibility setting. Minimum CompatibilityRequirements 实施步骤: 1、使用视图v$transportable_platform查询两个库的endian format,如果两...
2 for i in 1..100000 loop 3 insert into dba val s(1); 4 commit; 5 end loop; 6 end; 7 / PL/SQL 过程已成功完成。 2.2.2 切换UNDO 表空间 1、建立新的表空间UNDOTBS2 SQL> CREATE UNDO TABLESPACE UNDOTBS2 DATAFILE 'F:\backup\undo03.dbf' size 100M reuse; ...
You cannot use this statement to convert a dictionary-managed tablespace to a locally managed tablespace. For that purpose, use theDBMS_SPACE_ADMINpackage, which is documented inPL/SQL Packages and Types Reference. See Also: Oracle Database Administrator's GuideandCREATE TABLESPACEfor information on...