ALL_ASSOCIATIONS describes user-defined statistics associated with objects accessible to the current user.
DBA_ASSOCIATIONS describes all user-defined statistics in the database.
USER_ASSOCIATIONS describes user-defined statistics associated with objects owned by the current user.
| Column | Datatype | NULL | Description |
|---|---|---|---|
OBJECT_OWNER |
VARCHAR2(30) |
NOT NULL |
Owner of the object for which the association is being defined |
OBJECT_NAME |
VARCHAR2(30) |
NOT NULL |
Name of the object for which the association is being defined |
COLUMN_NAME |
VARCHAR2(30) |
Column name in the object for which the association is being defined | |
OBJECT_TYPE |
VARCHAR2(9) |
Kind of object with which statistics are being associated: column, type, package or function, indextype, or domain index. | |
STATSTYPE_SCHEMA |
VARCHAR2(30) |
Owner of the statistics type | |
STATSTYPE_NAME |
VARCHAR2(30) |
Name of statistics type that contains the cost, selectivity or statistics functions | |
DEF_SELECTIVITY |
NUMBER |
Default selectivity of the object, if any | |
DEF_CPU_COST |
NUMBER |
Default CPU cost of the object, if any | |
DEF_IO_COST |
NUMBER |
Default I/O cost of the object, if any | |
DEF_NET_COST |
NUMBER |
Default networking cost of the object, if any | |
INTERFACE_VERSION |
NUMBER |
Identifies the version number of the ODCIStats interface. Value is 1 for statistics type implementing Oracle8i 8.1; 0 for types implementing Oracle9i 9.0.0. |