The objects for which the indicators are maintained depend on the specific DBMS. Typically, these objects are tables, indexes, and table spaces. The database management system maintains the indicators in memory.
IIndexes IIndexesEdit IInvalidObjectInfo IItemInfo IItemInfo2 IItemInfos IJSONConverterGdb IJunctionConnectivityRule IJunctionConnectivityRule2 IJunctionFeatureSource IJunctionSource ILinearDispatchLayout ILocalDatabaseCompact ILocator ILocatorDataset ILocatorName ILocatorStyle ILocatorUI ILocatorUI2 I...
This identification was performed using the spatial homogeneity and spectral purity indexes calculated in steps 2 and 3, respectively, and the image cluster (spectral classification map) determined in step 4. The authors noted that the use of the SSPP method as the preprocessing of the endmember ...
SDKs and APIs Products Support Sign in The Compute Change Use Color Method. ConstantValueDescription esriComputeChangeUseColorAverage0Average colors between from and to pixels. esriComputeChangeUseColorFrom1Take the colors of the from pixels.
columns. Another possibility might be function-based indexes. They create dummy columns in dba_ind_columns, those dummy (and therefore hidden) columns might be used when gathering stats. Just wild ideas. -- Regards, Stephane Faroult Oriole Ltd ...
Bitmapped indexes are not intended for high concurrency high INSERT applications. If this is the case, determine whether a different index type is more appropriate. This is not applicable, as the system only uses B*Tree indexes. • there are sessions waiting for other sessions to either ...
USER_INDEXES USER_IND_COLUMNS USER_IND_EXPRESSIONS USER_IND_PARTITIONS USER_IND_SUBPARTITIONS USER_OBJECTS USER_PART_INDEXES USER_PART_KEY_COLUMNS USER_PART_TABLES USER_PROCEDURES USER_PROFILES USER_ROLE_PRIVS USER_SEGMENTS USER_SEQUENCES USER_SOURCE USER_SUBPARTITION_TEMPLATES USER_SUBPART_KEY_...
对于全球索引,可以选择是否分区,而且索引的分区可以不与表分区相对应。当对分区进行维护操作时,通常会导致全局索引的invalded,REBUILD must be executed after the operation has been completed. Oracle9i provides the UPDATE GLOBAL INDEXES statement that enables you to rebuild global indexes...
A method, system, and computer program product provides improved performance for rebuild of user-defined indexes during partition maintenance operations (partition split, merge, and
Note: you cannot create global indexes for hash partitions or sub partitions The partitioning function of Oracle is powerful. But using it, finding two is not convenient: The first is the existing table, and there is no method that can be directly converted into partition tables. However, Orac...