15.13 SEM_APIS.ALTER_SEM_INDEX_ON_ENTAILMENT
Format
SEM_APIS.ALTER_SEM_INDEX_ON_ENTAILMENT( entailment_name IN VARCHAR2, index_code IN VARCHAR2, command IN VARCHAR2, tablespace_name IN VARCHAR2 DEFAULT NULL, use_compression IN BOOLEAN DEFAULT NULL, parallel IN NUMBER(38) DEFAULT NULL, online IN BOOLEAN DEFAULT FALSE), options IN VARCHAR2 DEFAULT NULL, network_owner IN VARCHAR2 DEFAULT NULL, network_name IN VARCHAR2 DEFAULT NULL);
Note:
This subprogram will be deprecated in a future release. It is recommended that you use the SEM_APIS.ALTER_INDEX_ON_INFERRED_GRAPH subprogram instead.Description
Alters a semantic network index on an entailment.
Parameters
- entailment_name
-
Name of the entailment.
- index_code
-
Index code string.
- command
-
String value containing one of the following commands:
REBUILD
rebuilds the semantic network index on the entailment, orUNUSABLE
marks as unusable the semantic network index on the entailment. The value for this parameter is not case-sensitive. - tablespace_name
-
Name of the destination tablespace for the rebuild operation.
- use_compression
-
Specifies whether compression should be used when rebuilding the index.
- parallel
-
Degree of parallelism to be associated with the operation. For more information about parallel execution, see Oracle Database VLDB and Partitioning Guide.
- online
-
TRUE
allows DML operations affecting the index during the rebuilding of the index;FALSE
(the default) does not allow DML operations affecting the index during the rebuilding of the index. - options
-
(Not currently used.)
- network_owner
-
Owner of the semantic network. (See Table 1-2.)
- network_name
-
Name of the semantic network. (See Table 1-2.)
Usage Notes
For an explanation of semantic network indexes, see Using Semantic Network Indexes.
For information about semantic network types and options, see RDF Networks.
Examples
The following example rebuilds (and makes usable
if it is unusable) the semantic network index on the
entailment named
rdfs_rix_family
.
EXECUTE SEM_APIS.ALTER_SEM_INDEX_ON_ENTAILMENT('rdfs_rix_family', 'pscm', 'rebuild');
Parent topic: SEM_APIS Package Subprograms