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,...
"/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...
Comments in SQL Create Schema Create Schema Statement Create Table Create Table As Create Tablespace Create User Data Types Declare Variables Drop Table Drop Tablespace Drop User Error Messages Find Default Tablespace Find Users Find Users Logged In ...
Syntax The syntax for the ALTER TABLESPACE statement in Oracle/PLSQL is: ALTER TABLESPACE tablespace_name { DEFAULT [ { COMPRESS | NOCOMPRESS } ]storage_clause| MINIMUM EXTENT integer [ K | M | G | T | P | E ] | RESIZE integer [ K | M | G | T | P | E ] | COALESCE | REN...
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 ...
# generated tablespace point-in-time recovery script # set the until clause set until logseq 9 thread 1; plsql <<<-- tspitr_2 declare sqlstatement varchar2(512); offline_not_needed exception; pragma exception_init(offline_not_needed, -01539); ...
Schema is the collection of database objects owned by a database user. 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 ...
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...
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 same name is created for that user. ...
操作权限,但是有数据库对应TNS信息 ,可以在本地使用pl/sql连接上数据库,最终目标是需要将测试环境的Schema1,Schema2等5个Schema中的表,视图,Package,序列,同义词等数据库对象一起迁移到生产环境,并删除对应业务表的数据,保证生产环境的接口正常运行,下面是详细的迁移步骤 迁移步骤 1、如果没有新建表空间,执行如下语...