针对Oracle大表空间的扩容问题,可以按照以下步骤进行: 1. 了解Oracle表空间的当前大小和使用情况 首先,需要查询当前表空间的使用情况,以确定是否需要扩容以及扩容的具体需求。可以使用以下SQL查询来获取表空间的信息: sql SELECT tablespace_name, SUM(bytes) / 1024 / 1024 AS total_space_mb, SUM(bytes - blocks...
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_orcl.f'; # default 2.修改rman配置 这里配置的PARAL...
1.查看rman默认配置 RMAN> show all; using target database control file instead of recovery catalog RMAN configuration parameters for database with db_unique_name ORCL are: CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default CONFIGURE BACKUP OPTIMIZATION OFF; # default CONFIGURE DEFAULT DEVICE TYPE ...
CONNECT / AS sysdba; CREATE USER hdfsuser IDENTIFIED BY password DEFAULT TABLESPACE hdfsdata QUOTA UNLIMITED ON hdfsdata; GRANT CREATE SESSION, CREATE TABLE, CREATE VIEW TO hdfsuser; GRANT EXECUTE ON sys.utl_file TO hdfsuser; GRANT READ, EXECUTE ON DIRECTORY osch_bin_path TO hdfsuser; GRANT...
• Using bds-copy-tbs-to-hdfs The script bds-copy-tbs-to-hdfs.sh lets you select a preexisting tablespace in Oracle Database. The script automates the move of the selected tablespace to HDFS and performs necessary SQL ALTER operations and datafile permission changes for you. The DataNode ...
select 'alter table ' ||table_name || ' move tablespace 目标表空间名称;' from user_all_tables 将结果集导出,然后在导出的文件里面把查询拼接的SQL全部复制到plsql里面执行。 说明:至此表迁移以及完成,但由于表里面涉及到索引,所以我们还必须将索引页迁移过来,迁移索引之前,因为存在有的索引是大字段(LOB)类...
Piece Name: /opt/oracle/backup/bkp_kd_s-9544272425-20051231-11 SPFILE Included: Modification time: 31-DEC-19 To simulate some backup and recovery scenarios we will create a table in the SYSTEM schema stored in the USERS tablespace. We will also create a procedure to load...
Set Tablespace As Default In Postgresql Faruk Erdem 3 weeks ago PostgreSQL 0 In today’s article, we will discuss how to change the default Tablespace in PostgreSQL. If you do not specify a different Tablespace when creating objects, … Read More » Pmap Command In Linux Onur ARDAHANLI Mar...
How big is your SYSTEM tablespace? 512M? 1GB? 4GB? Bigger? Is it bigger than the whole of the first critical database you ever looked after? Why has the SYSTEM tablespace got so big? You can easily check the size of the SYSTEM tablespace with any oracle development/admin GUI orwith th...
can have Its own tablespace (and hence be on different storage). have differing values for PCTFREE and other space usage parameters. have differing table compression set. can be set to read only. can be recovered separately. is accessed transparently in queries (we need not specify the partiti...