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...
SGA实际大小 = DB_CACHE_SIZE + DB_KEEP_CACHE_SIZE + DB_RECYCLE_CACHE_SIZE + DB_nk_CACHE_SIZE + SHARED_POOL_SIZE + LARGE_POOL_SIZE + JAVA_POOL_SIZE + STREAMS_POOL_SIZE(10g中的新内存池) + LOG_BUFFERS+11K(Redo Log Buffer的保护页) + 1MB + 16M(SGA内部内存消耗,适合于9i及之前版本) ...
其它的external table read、direct path write、PX Deq: read credit、PX Deq: Slave Session Stats这些就是占比重40的等待事件里的Top 4了。 --"Top 5 Timed Foreground Events"的局限性 再研究下这个Top 5 Timed Foreground Events,如果先不看Load Profile,是不能计算出一个CPU-Bound的工作负载。要知道系统C...
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...
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...
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...
select index_name, column_name from user_ind_columns where table_name='&TABLE_NAME'; Query to check index size in Oracle select sum(bytes)/1024/1024 as "Index Size (MB)" from dba_segments where segment_name='&INDEX_NAME'; select sum(bytes)/1024/1024 as "Index Size (MB)" from user...
、e of the segment: INDEX PARTITION, TABLE PARTITIONTABLESPACE_NAMEVARCHAR2(30)Name of the tablespace containing the extentEXTENT_IDNUMBERExtent number in the segmentFILE_IDNUMBERFile identifier number of the file containing the extentBLOCK_IDNUMBERStarting block number of the extentBYTESNUMBERSize of...
Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=150.158.57.125)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=ORCL)));User Id=xx;Password=xx;Pooling='true';Max Pool Size=150 表模式 分为大写和驼峰表2种模式,默认为大写表模式 ...
Power Query Desktop and Power Query Online provide a set of advanced options that you can add to your query if needed. The following table lists all of the advanced options you can set in Power Query Desktop and Power Query Online.