QUERY 1: Check table size from user_segments. When you are connected to your own schema/user. select segment_name,sum(bytes)/1024/1024/1024 GB from user_segments where segment_type='TABLE' and segment_name=upper('&TABLE_NAME') group by segment_name; QUERY 2: Check table size from dba...
Oracle UNDO Tablespace size & Table Size Table Space Query select SEGMENT_NAME,bytes/1024/1024,a.* from dba_segments a UNDO Table Space Size Full 数据库重启 SQL> shutdown abort ORACLE 例程已经关闭。 SQL> quit 从Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production With the...
常用dml和query开并行 --开并行 ALTER SESSION FORCE PARALLEL DML PARALLEL 16; ALTER SESSION FORCE PARALLEL QUERY PARALLEL 16; --关并行 ALTER SESSION DISABLE PARALLEL DML ; ALTER SESSION DISABLE PARALLEL QUERY; 索引开并行 drop index IDX_SB_SBZT_LRRQ; create index IDX_SB_SBZT_ 职场亮哥 2020/...
系统权限 系统权限是指在数据库中执行某种系统级别的操作,或者针对某一类对象执行某种操作的权利 常用的系统权限如下: CREATE SESSION:连接到数据库 CREATE TABLE:创建表 CREATE VIEW:创建视图 CREATE SEQUENCE:创建序列 对象权限 对象权限是指针对某个特定模式对象执行操作的权利,只能针对模式对象来设置管理对象权限,包括...
show parameter db_block_size//查询数据块db_block_size的大小 19、select t.tablespace_name,t.file_id,t.block_id,t.bytes,t.blocks from dba_free_space t; //查询表空间的使用情况,bytes表示该表空间空闲表空间大小,blocks标示剩余块数 20、alter database datafile 'E:\ORACLE\PRODUCT\10.2.0\ORADATA...
s.username user_name, s.fixed_table_sequence activity_meter, ''' query, 0 memory, 0 max_memory, 0 cpu_usage, s.sid, s.serial# serial_num from v$session s, v$process p where s.paddr=p.addr and s.type = ''USER'' order by s.username, s.osuser2)根据v.sid查看对应连接的资源占用...
Conclusion: After reading this post you will be able to check index on a table and index size in Oracle. You can also find index column in Oracle all other details from the above query. You can also check more about partition index from the dba_ind_partitions view. ...
CREATE TABLE http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/statements_7002.htm#SQLRF01402 表空间(tableSpace) 段(segment) 盘区(extent) 块(block) 关系 一. Storage 参数说明 1. INITIAL Specify the size of the first extent of the object. Oracle allocates spac...
In Oracle Fusion Analytics Warehouse you can track usage to determine which user queries are creating performance bottlenecks, based on query frequency and response time. 7-1 Chapter 7 Subject Areas Administrators set up the criteria to track user queries and generate usage reports that you can ...
exp system/manager@TEST file=d:\daochu.dmp tables=(table1) query=\” where filed1like '00%'\” 上面是常用的导出,对于压缩我不太在意,用winzip把dmp文件可以很好的压缩。不过在上面命令后面 加上 compress=y 就可以了。 【用 imp 数据导入】: ...