--4.修改子分区模板,并添加分区 --修改子分区名及子分区值ALTERTABLESTRIPE_REGIONAL_SALESSETSUBPARTITION TEMPLATE (SUBPARTITION WESTVALUES('NY','TY'), SUBPARTITION EASTVALUES('LA','NT'));--添加分区altertableSTRIPE_REGIONAL_SALESaddpartition Q6_9999valuesless than (700); 查看已经创建的分区表 --Cre...
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...
SQL>select object_name,created from user_objects where object_name=upper('&table_name'); 4、 查看某表的大小 SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments where segment_name=upper('&table_name'); 5、 查看放在Oracle的内存区里的表 SQL>select table_name,cache from ...
(tablespace_size/1024/1024/1024,2) "total(GB)",round(nvl(free_space,0)*100/tablespace_size,3) "Free percent"from dba_temp_free_space; #查看表字段 desc tablename #表空间与用户 查询当前用户所有表 select table_name from user_tables; 查询所有表空间 select TABLESPACE_NAME, BLOCK_SIZE from ...
下载并解压缩sqldev_mngdb.zip文件,该文件包含您执行该教程所需要的全部文件。 创建数据库连接 使用Oracle SQL Developer 管理数据库对象首先要创建数据库连接。执行以下步骤: 使用Create Table 对话框添加新表 您将新建一个名为DEPENDENTS的表,它包含一个指向EMPLOYEES表的外键。执行以下步骤: ...
访问V$LIBRARYCACHE视图可以显示实际使用的语句(SQL和PL/SQL)访问内存的情况。如果init.ora的参数SHARED_POOL_SIZE设置得太小,内存中就没有足够的空间来存储所有的语句。固定命中率通常应该是95%或更高,而重载的次数不应该超过1%。查询V$SQL_BIND_CAPTURE视图,看看每个SQL绑定是否太高,是否需要CURSOR_SHARING。
After you initiate image creation, the system stops your compute instance to ensure a consistent boot disk image. The time it takes for the image creation process depends on the size of the boot disk. After the image creation is complete, the compute instance automatically restarts. For applicat...
ORA-17095 Statement cache size has not been set 未设置语句缓存大小。 ORA-17096 Statement Caching cannot be enabled for this logical connection. 不能为此逻辑连接启用语句缓存。 ORA-17097 Invalid PL/SQL Index Table element type PL 索引表的元素类型无效。 ORA-17098 Invalid empty lob operation 空LOB...
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2-10 Oracle Fusion Middleware User's Guide for Oracle Business Activity Monitoring Getting Started With Oracle BAM Active Studio Before printing, confirm that the desired page orientation and paper size is set in the printer's configuration dialog box. Oracle BAM does not pass that information to...