--1、查看表空间的名称及大小SELECT t.tablespace_name, round(SUM(bytes / (1024 * 1024)), 0) ts_size FROM dba_tablespaces t, dba_data_files d WHERE t.tablespace_nam 表空间 sed 数据库 oracle 回滚 转载 mb5fd869d1d8388 2020-08-27 11:13:00 ...
11G - Reduce Transportable Tablespace Downtime using Cross Platform Incremental Backup (文档 ID 1389592.1) 12c – 使用跨平台增量备份来减少传输表空间的停机时间 (文档 ID 2102859.1) 12C - Reduce Transportable Tablespace Downtime using Cross Platform Incremental Backup (文档 ID 2005729.1) http://blog.itp...
CREATE TEMPORARY TABLESPACE TMP TEMPFILE '/u01/gsp/oradata/TMP01.dbf' SIZE 8G AUTOEXTEND OFF; ■ 增加数据文件 ALTER TABLESPACE TMP ADD TEMPFILE'/u03/eps/oradata/temp02.dbf'SIZE 64G ■ 删除临时表空间的数据文件 ALTER TABLESPACE TEMP DROP TEMPFILE'/u01/app/oracle/oradata/GSP/temp02.dbf'...
This clause is valid only for temporary tablespaces. It lets you reduce the amount of space the tablespace is taking. In the optional KEEP clause, the size_clause defines the lower bound that a tablespace can be shrunk to. It is the opposite...
Buffer cache和shared pool size的 begin/end值在ASMM、AMM和11gR2 MSMM下可是会动的哦! 这里说 shared pool一直收缩,则在shrink过程中一些row cache 对象被lock住可能导致前台row cache lock等解析等待,最好别让shared pool shrink。如果这里shared pool一直在grow,那说明shared pool原有大小不足以满足需求(可能是...
You can specify compression for a tablespace, a table, or a partition. If specified at the tablespace level, then all tables created in that tablespace are compressed by default. ##你能够为表空间。表或者分区指定压缩属性。假设你为表空间指定了压缩属性,那么在该表空间下建的表会默认的继承压缩属性...
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Prior to MySQL 8.0.20, the doublewrite buffer storage area is located in the InnoDB system tablespace. As of MySQL 8.0.20, the doublewrite buffer storage area is located in doublewrite files. 也引入了类似Parallel的机制。如果查看官方文档能看到引入了类似如下的相关参数: ...
alter tablespace temp add tempfile'/oradata/xxx/temp02.dbf'size 10GCompleted:alter tablespace temp add tempfile'/oradata/xxx/temp02.dbf'size 10G 所以在未增加成功之前,猜测确实临时表空间是不足的,因为很多应用共用这个临时表空间,所以受影响的SQL应该有很多,而这个应用反馈的语句,只是其中之一,当增加成...
SQL> alter tablespace users add datafile '/u01/app/oracle/oradata/ORCL/users02.dbf' size 10M;...