partitionbylist(job) ( partition p_job1values('PRESIDENT','MANAGER','ANALYST'), partition p_job2values('CLERK'), partition p_job3values(default) ); insert into emp_list select * from emp; select * from emp_list partition(p_job1); --查询分区数据 4.3、HASH分区(hash partition) HASH分区...
[H]ash and Bucket Tables - 7.0.15 to 7.1.1, and 7.2.0 or higher X$KCLFH - File [H]ash Table X$KCLFI - File Bucket Table X$LE - Lock [E]lements X$LE_STAT - Lock Conversion [STAT]istics X$KCLFX - Lock Element [F]ree list statistics - 7.3 or higher X$KCLLS - Per LCK...
Operation ID: GetTables This operation gets tables from a database. Returns Represents a list of tables. Body TablesList Insert rowOperation ID: PostItem This operation inserts a new row into a table. Parameters 展開資料表 NameKeyRequiredTypeDescription Table name table True string Name of ...
dba_tables where owner not in (‘SYS’,’SYSTEM’,’FDBA’,’PERFSTAT’,’DBMON’) and round(((blocks*8/1024)-(num_rows*avg_row_len/1024/1024)),2) > 100 order by 8 desc;
当数据块中的FREE空间小于PCTFREE设置的空间时,该数据块从FREELIST中去掉,当块由于DML操作FREE空间大于PCTUSED设置的空间时,该数据库块将被添加在FREELIST链表中。对于表和索引来说,该值默认为10%,通过查询DBA_TABLES或DBA_INDEXES视图的PCT_FREE列可以获取到该属性的值。该值适用于MSSM和ASSM。
select TABLE_NAME,IOT_NAME from dba_tables where owner='APPTEST'; TEST_IOT SYS_IOT_OVER_96983 TEST_IOT 1.3 迁移方案 ●表结构迁移:通过dbcat进行结构迁移,索引组织表会被转换成普通表(后续OMS会支持); ●数据迁移:由于Logminer捕获不到增量日志,这类表只能离线迁移。离线迁移方案建议: ...
Operation ID: GetTables This operation gets tables from a database. Returns Represents a list of tables. Body TablesList Insert rowOperation ID: PostItem This operation inserts a new row into a table. Parameters Izvērst tabulu NameKeyRequiredTypeDescription Table name table True string Name ...
范围分区(Range Partition)哈希分区(Hash Partition)列表分区(List partition) 在基础分区策略的基础上,还有一些其他的扩展分区策略,后面再进行讨论。 2.1 范围分区(Range Partition) 范围分区根据预先定义的范围来划分分区,范围分区最适合管理类似且有明显顺序的数据,根据数据的顺序可以很容易划定分区范围。范围分区最典型...
Unfortunately, Oracledoes notdirectly support theSHOW TABLEScommand. However, you can list all tables in a database by querying from various data dictionary views. Show tables owned by the current user To show tablesownedby the current user, you query from theuser_tablesview. ...
presuming following set of tablespaces applies to specified point-in-time List of tablespaces expected to have UNDO segments Tablespace SYSTEM Tablespace PDB18C:SYSTEM Tablespace UNDOTBS1 Tablespace PDB18C:UNDOTBS1 Creating automatic instance, with SID='EyDp' initialization parameters used for automatic ...