PARTITION maintenance for the time-series caseLet's focus on the maintenance task involved in Case #1, as described above.You have a large table that is growing on one end and being pruned on the other. Examples include news, logs, and other transient information. PARTITION BY RANGE is an...
Partition Maintenance is performed using three database stored procedures. The procedures used for partition maintenance are as follows: SP_OAA_ADD_MONTHLY_PARTITION SP_OAA_ADD_WEEKLY_PARTITION SP_OAA_DROP_PARTITION The DBMS_SCHEDULER package runs preconfigured jobs, which in turn execute the procedu...
Partition maintenance is a system maintenance job, which is responsible for the creation, deletion and optimization of date range partitioned tables.
For each accessed index entry, the partition identification data is analyzed to determine if the index entry is an orphaned entry. If so, then the index entry is ignored for purposes of the query. Later, the global index may be updated to delete each orphaned entry. Such deletion may occur...
-- 11.39.42 SQL Error: ORA-14048: a partition maintenance operation may not be combined with other operations The table has no partitions - select partitioned FROM DBA_indexes WHERE TABLE_NAME='AZ_PASSV_TAO9' PARTITION --- NO NO
1. Is the above maintenance mysqlcheck script able to take care of optimizing the partitions/ 2. If yes, will it be able to optimize the table even when the table size grows with billions of records? 3. If I need to separate the maintenance script only for the partitioned tables, how...
These utilities offer a performance option to bypass index maintenance, mark the affected index partitions INDEX UNUSABLE, and let the DBA rebuild them later. In other words, the strategy of "drop index then re-create index" can be replaced by a strategy of mark index partition UNUSABLE then ...
PartitionID指定标识 Microsoft ReadyBoost™ 设备的分区 ID。 该值与DiskID一起使用。 值 展开表 ID 指定ReadyBoost 设备的分区 ID。 父层次结构 microsoft-windows-systemmaintenanceservice-|CacheList|Cache| PartitionID 有效配置阶段 specialize 应用于 ...
linux rw in maintenance mode/extended partition 1, linux rw in maintenance mode After enter into the maintenance mode, sometimes you need to modify the system files, but you don't have the rw access right to the system file, can use this command to reload the file system as the rw mode...
1. Is the above maintenance mysqlcheck script able to take care of optimizing the partitions/ 2. If yes, will it be able to optimize the table even when the table size grows with billions of records? 3. If I need to separate the maintenance script only for the partitioned tables, how...