Oracle8
i
Generic Documentation Master Index
Release 2 (8.1.6)
A76991-01
Library
Product
Contents
Oracle8
i
Generic Documentation Master Index
U
U number format element, SQL 2-41
U0703040.SQL script, MIG 4-32
U703040.SQL script, SRF 5-7
ub1
definition, OCI 3-27
ub2
definition, OCI 3-27
ub4
definition, OCI 3-27
UID function, PCO 4-13,
SQL 4-109
UMA
definition of, PSC 2-3
unary operators, PLS 2-42,
SQL 3-1
unavailable option (RMAN)
change command, RMN 3-13
underscore
alternate mappings, NLS 4-10
underscores, PLS 2-5
undo, SCN 1-7
See also
rollback
undo a transaction, PC_ F-98,
PCO F-76
undo block statistic, STU 21-3
undo header blocks, PSA 7-5
unhandled exceptions, ADG 9-45,
PLS 6-12,
PLS 6-19
UNI_PLUGGABLE_SET_CHECK view, SRF 2-167
UNICODE, NLS 3-27
Unicode
and UTF-8, OCI 5-34
character set Id, OCI A-21,
OCI A-23
fixed width support, OCI 5-33
OCILobRead(), OCI 15-155
OCILobWrite(), OCI 15-160
precautions, OCI 5-34
Unicode character set, PC_ 5-9
Unicode Transformation Format 8-bit (UTF-8), OID 2-26
Unicode variables, PC_ A-4
uniform disk access, PSC 2-5
uniform memory access
definition of, PSC 2-3
uninitialized object
how treated, PLS 9-24
UNION ALL operator
examples, STU 4-72,
STU 4-74,
STU 4-91
optimizing view queries, STU 4-77
transforming OR into, STU 4-71
UNION ALL set operator, PLS 5-6,
SQL 3-13,
SQL 7-579
UNION ALL view, STU 9-36
UNION operator
compound queries, STU 4-48
examples, STU 4-79,
STU 4-92
optimizing view queries, STU 4-77
UNION set operator, PLS 5-6,
SQL 3-13,
SQL 7-579
unions
cannot be nested in host structures, PC_ 4-41
not permitted as host structures, PC_ 4-41
uniprocessor
definition of, PSC 2-3
UNIQUE clause
of constraint_clause, SQL 7-238
of CREATE INDEX, SQL 7-296
of CREATE TABLE, SQL 7-393
of SELECT, SQL 7-573
UNIQUE constraint, STU 12-10
simple subquery snapshots and, REP 3-15
unique constraints, DWG 7-3,
DWG 18-58
enabling, SQL 7-407
index on, SQL 7-407
UNIQUE index, STU 12-17
unique indexes, SCN 10-24,
SQL 7-296
Import, SUT 2-23
UNIQUE KEY
constraints
effect on direct path load, SUT 8-29
UNIQUE key constraints, SCN 258
combining with NOT NULL constraint, ADG 4-4
composite keys, SCN 259,
SCN 261
composite keys and nulls, ADG 4-7
constraint checking, SCN 273
disabling, ADG 4-20
dropping associated indexes, SAD 14-17
enabling, ADG 4-20
enabling on creation, SAD 14-9
foreign key references when dropped, SAD 19-19
indexes associated with, SAD 14-9
indexes used to enforce, SCN 260
maximum number of columns, SCN 260
NOT NULL constraints and, SCN 261
nulls and, SCN 261
PRIMARY KEY constraint vs., ADG 4-7
size limit of, SCN 260
storage of associated indexes, SAD 14-10
when to use, ADG 4-7
unique keys, SCN 1-57,
SCN 1-58,
SCN 259
composite, SCN 259,
SCN 261
generating, PSA 5-5
optimization, STU 4-75
searches, STU 4-37
unique queries, SQL 7-573
unique values
generating with SQL*Loader, SUT 5-56
uniqueness, STU 12-10
uniqueness constraints
Import, SUT 2-45
preventing errors during import, SUT 2-19
Universal Installer, GTK 3-58,
GTK 3-62
Universal ROWID, OCI 3-6
universal ROWID, PC_ 4-8,
PC_ 4-38,
PC_ A-5,
PCO A-3
ROWID pseudocolumns, PCO 4-32
universal rowids, PLS 2-17
universal ROWIDs (UROWIDs), GTK 3-29
Universal ROWIDs.
See
UROWIDs
universal rowids.
See
urowids
UNIX
disadvantages of signal handlers, NET 10-11
finding bootstrap, LEG 5-6,
LEG 5-12,
LEG 5-21
linking a Pro*C application under, PC_ 1-9
Oracle's operating system dependent call for signal handling, NET 10-11
recovering OS and NetWorker, LEG 5-10,
LEG 5-19
recovering server indexes and configuration files, LEG 5-11
recovering to new server, LEG 5-16,
LEG 5-25
renaming configuration files, LEG 5-15
starting Oracle Directory Manager on, OID 4-2
using both signal handling and Net8, NET 10-11
using signal handlers with, NET 10-10
UNIX system performance, STU 23-6
unlabeled volumes, LEG 3-19
UNLIMITED extents, SCN 197
unlimited extents, STU 20-28
UNLIMITED TABLESPACE privilege, SAD 22-18
UNLIMITED TABLESPACE system privilege, SQL 7-527
UNLOAD (DB2 file format)
not supported by SQL*Loader, SUT B-4
unmarking, OCI 13-10
objects, OCI 13-10
UNNEST hint, STU 7-32
UNNEST_SUBQUERY parameter, STU 7-32,
STU 9-10
unnesting collections, SQL 7-576
examples, SQL 7-593
unnesting queries, ADO 6-12
unpinning, OCI 10-28,
OCI 13-8
objects, OCI 13-8
unplanned downtime, PSC 9-3
UNRECOVERABLE, SQL 7-37,
SQL 7-396
See also
NOLOGGING clause
UNRECOVERABLE DATAFILE option
ALTER DATABASE statement, SAD 6-18
unrecoverable indexes
indexes, SAD 14-6
UNRECOVERABLE keyword
SQL*Loader, SUT 8-19
unrecoverable objects
and RECOVER operation, SBR 5-3
recovery
unrecoverable objects and, SBR 5-3
UNRECOVERABLE operations, SBY 5-28
backups after, SBY 4-14
unrecoverable operations
performing backups after, SBR 3-8
UNREGISTER command, NET A-78
unregistering a database from the recovery catalog, RMN 3-11
UNSAFE_NULL precompiler option, PC_ 10-41,
PCO 14-40
Unschedule a Queue Propagation, ADQ 9-69
unschedulePropagation(Session, String) - oracle.jms.AQjmsDestination.unschedulePropagation(javax.jms.Session, java.lang.String), JPR 2-72
UNSIGNED
external datatype, OCI 3-16
UNSIGNED datatype, PC_ 4-10,
PCO 4-9
unsorted data
direct path load
SQL*Loader, SUT 8-17
unsorted indexes, SQL 7-300
unspecified access, OID 9-36
unstructured data, ADL 1-2
unsubscribe(String) - oracle.jms.AQjmsSession.unsubscribe(java.lang.String), JPR 2-182
unsubscribe(Topic, AQjmsAgent) - oracle.jms.AQjmsSession.unsubscribe(javax.jms.Topic, oracle.jms.AQjmsAgent), JPR 2-182
unsubscribe(Topic, String) - oracle.jms.AQjmsSession.unsubscribe(javax.jms.Topic, java.lang.String), JPR 2-182
unsupported functions
generic connectivity, DDS 8-6
until clause (RMAN), RMN 10-45,
RMN 10-156
UNTIL TIME option
RECOVER statement, SBR 5-30
UNUSABLE clause
of ALTER INDEX, SQL 7-40
UNUSABLE indexes
function-based, SCN 114
unusable indexes, DWG 14-17
UNUSABLE LOCAL INDEXES clause
of ALTER MATERIALIZED VIEW, SQL 7-51
of ALTER TABLE, SQL 7-157
UNUSED column, SCN 10-7
unused columns
dropping, MIG 13-15
UPDATE
block access during, PSA 6-7
UPDATE ANY TABLE system privilege, SQL 7-527
UPDATE CASCADE, PC_ 9-21
UPDATE command
column values and triggers, ADG 13-16
data consistency, ADG 7-11
triggers and, ADG 13-6,
ADG 13-18
triggers for referential integrity, ADG 13-43,
ADG 13-44
update frequencies, DWG 8-37
update no action constraint, SCN 266
UPDATE object privilege, SQL 7-535
UPDATE privilege
revoking, SAD 23-14
UPDATE privilege for object tables, ADO 2-12,
ADO 2-13
UPDATE SQL statement, PC_ F-111
UPDATE statement, PCO F-86,
SCN 12,
SQL 7-615
embedded SQL examples, PC_ F-115,
PCO F-90
example, PCO 5-10
example of, PC_ 6-9
foreign key references, SCN 266
freeing space in data blocks, SCN 4-10
no-logging mode, SCN 152
LOBs, SCN 151
parallel UPDATE, SCN 178
purpose of, PC_ 6-9
RETURNING clause, PLS 5-64
SET clause, PCO 5-11
SET clause in, PC_ 6-10
syntax, PLS 11-172
triggers, SCN 82,
SCN 87
BEFORE triggers, SCN 90
triggers on, SQL 7-429
using host arrays in, PC_ 8-12
using host tables, PCO 7-13
WHERE clause in, PC_ 6-10
UPDATE statements
binds of greater than 4000 bytes, ADL 7-16
update windows, DWG 8-37
UPDATE_CHECK parameter, ADG 11-38
updateable snapshots, REP 1-8,
SCN 428
updated locators, ADL 5-2,
ADL 5-5,
ADL 5-10,
ADL 5-13,
ADL 5-25
updates, OCI 2-34
at different times, PSC 8-6
concurrent, PSC 1-4
free lists, PSA 1-6
instance lock, PSC 5-22
locating free space, SRF 1-47
location transparency and, DDS 1-45,
SCN 415
object views, ADO 5-11,
SCN 14-5
PCM locks, PSC 4-12
performance, PSC 7-19
piecewise, OCI 5-37,
OCI 5-39
positioned, OCI 2-34
transaction processing option, SRF 1-106
transparency, DDS 2-32
updatability of object views, SCN 14-5
updatability of views, SCN 10-16,
SCN 93,
SCN 94
updatable join views, SCN 10-16
update intensive environments, SCN 219
updating
a row containing a BFILE, ADL 11-181
attributes, using ldapmodify, OID 4-14
avoid the LOB with different locators, ADL 5-8
BFILEs by selecting a BFILE from another table, ADL 11-185
BFILEs using BFILENAME(), ADL 11-182
by initializinga LOB locator bind variable
internal persistent LOBs, ADL 9-263
by selecting a LOB from another table
internal persistent LOBs, ADL 9-261
data, OID 4-12
entry data, using Oracle Directory Manager, OID 4-12
in Oracle Directory Manager, OID 4-10
LOB with PL/SQL bind variable, ADL 5-10
locking before, ADL 9-144
locking prior to, ADL 9-182,
ADL 9-218,
ADL 9-228
rows in tables and views, PC_ F-111,
PCO F-86
subentry data, using Oracle Directory Manager, OID 4-12
with EMPTY_CLOB()/EMPTY_BLOB()
internal persistent LOBs, ADL 9-258
updating records in recovery catalog, RMN 3-18
updating rows in a table
SQL*Loader, SUT 5-33
updating tables
with parent keys, SCN 268,
SCN 269
upgrade
to the cost-based optimizer, STU 10-9
upgrade catalog command (RMAN), RMN 10-158
upgrading
7.x to 8.0, OCI 1-22
7.x to 8.0 OCI, OCI 1-23
Advanced Queuing, MIG 7-31
after upgrading, MIG 8-1,
MIG 8-14
applications, MIG 10-1
compatibility rules, MIG 10-5
options, MIG 10-8
relinking, MIG 10-5
definition, MIG 1-3
initialization parameters, MIG 7-18
Java, MIG 7-27
listener.ora file, MIG 8-6
manually, MIG 7-14
new administrative procedures, MIG 8-8
Oracle Forms applications, MIG 10-12
Oracle Parallel Server, MIG 7-3,
MIG 7-29
rolling upgrade, MIG 1-13
Oracle Parallel Server issues, PSG 3-21
ORADIM, MIG 7-16
OUTLN user, avoid, MIG 7-3
parallel execution, MIG 8-5
paths, MIG 7-2
post upgrade, MIG 8-1,
MIG 8-14
post-upgrade actions, MIG 8-1,
SPR 6-1,
SPR 23-1
preparing to upgrade, MIG 7-3
queue tables, MIG 7-34
recovery catalog, MIG 7-36
replication, MIG 7-24
scripts, MIG 7-20
CATALOG.SQL, MIG 7-22
CATPARR.SQL, MIG 7-29
CATPROC.SQL, MIG 7-22
CATREP.SQL, MIG 7-24
errors while running, MIG 1-11
JVMU815.SQL, MIG 7-27
rerunning, MIG 7-22
UTLRP.SQL, MIG 7-38
snapshots, MIG 7-30
specific components, MIG 7-24
SQL*Plus scripts, MIG 10-11
standby database, MIG 8-6
statistics tables, MIG 7-37
steps, MIG 7-3
supported releases, MIG 7-2
user-defined datatypes, MIG 7-35
using the Oracle Data Migration Assistant, MIG 7-7
upgrading the recovery catalog, RMN 3-43
UPPER function, ADG 5-8,
SQL 4-110
uppercase characters, SRF 1-3
uppercase, defined, NET xx,
PSG xxiii
UPSERT statement, DWG 14-5
URL (uniform resource locator), PLS 8-18
URLs, ADG 12-2
UROWID
Universal ROWID, OCI 3-6
UROWID datatype, GTK 3-29,
PLS 2-17,
SCN 12-16,
SQL 2-27
UROWIDs
compatibility, MIG 9-11
downgrading, MIG 13-25
interoperability, MIG 9-27
urowids
and foreign tables, SQL 2-27
and heap-organized tables, SQL 2-28
and index-organized tables, SQL 2-27
description of, SQL 2-27
use
thread context, PC_ 11-8,
PC_ F-33,
PCO 12-8
use cases
full list of internal persistent LOBs, ADL 9-2,
ADQ 11-2
how to interpret the diagrams, ADL xlvi
model, graphic summary of, ADL 9-1,
ADQ 9-1,
ADQ 11-1,
ADQ 16-1
Use for Heterogeneous Services option in Net8 Assistant, NET 8-9,
NET 8-51
Use Options Compatible with Net8 8.0 Clients option, MIG F-11
Use Oracle8
i
Release 8.0 Compatible Identification option, MIG F-11
USE ROLLBACK SEGMENT clause
of SET TRANSACTION, SQL 7-603
USE_ASYNC_CALL parameter, NET C-75
USE_CMAN parameter, NET 8-21,
NET 8-30,
NET 8-33,
NET 8-37,
NET 8-38,
NET C-29
USE_CONCAT hint, SQL 2-65,
STU 7-16
USE_DEDICATED_SERVER parameter, NET 8-21,
NET C-30
USE_HASH hint, SQL 2-66
USE_INDIRECT_DATA_BUFFERS initialization parameter, SRF 1-120
USE_INDIRECT_DATA_BUFFERS parameter, SCN 7-14
USE_ISM initialization parameter: obsolete
USE_MERGE hint, SQL 2-66,
STU 7-21
USE_NL hint, SQL 2-66,
STU 7-20
USE_PLUG_AND_PLAY_
listener_name
parameter, MIG F-20,
NET 6-64,
NET C-58
USE_STORED_OUTLINES parameter, STU 10-5
of ALTER SESSION, SQL 7-95
of ALTER SYSTEM, SQL 7-118
USE_STORED_OUTLINES session parameter, GTK 3-37,
SCN 129
user
moving among instances, PSA 5-17
partitioning method, PSA 5-13
PUBLIC, PSA 3-5,
PSA 3-6
SYS, PSA 3-6
undo segment header blocks, PSA 7-6
user account, OAS 8-14
user configuration file
to set precompiler options, PC_ 10-4
user defined object identifiers, GTK 3-34
user entries
adding, by using ldapadd, OID 7-26
adding, by using Oracle Directory Manager, OID 7-18
modifying, by using ldapmodify, OID 7-27
modifying, by using Oracle Directory Manager, OID 7-24
user errors
database failures, SBR 1-13
definition, SBR 1-12
recovery from, SBR 6-15
User Exits, PC_ E-3
user exits
calling from a SQL*Forms trigger, PC_ 20-6
common uses for, PC_ 20-3
example of, PC_ 20-9
guidelines for, PC_ 20-13
kinds of statements allowed in, PC_ 20-4
linking into IAP, PC_ 20-13
meaning of codes returned by, PC_ 20-8
naming, PC_ 20-13
passing parameters to, PC_ 20-7
requirements for variables in, PC_ 20-4
running the GENXTB form, PC_ 20-12
running the GENXTB utility for, PC_ 20-13
steps in developing, PC_ 20-3
use of IAF GET statements in, PC_ 20-5
use of IAF PUT statements in, PC_ 20-6
use of WHENEVER statement in, PC_ 20-9
User field, in Oracle Directory Manager, OID 4-4
USER function, ADG 4-5,
PCO 4-13,
SQL 4-110
user locks
requesting, ADG 7-20
user login, OID 4-4
User Manager, for Oracle Enterprise Manager, PSG 6-20
user memory
allocating, OCI 2-17
user password modification event, OID 5-27
user password, encrypting, OID 5-16
user process
free list, PSC 7-10
user processes
allocate PGAs, SCN 7-15
connections and, SCN 8-4
dedicated server processes and, SCN 8-23
free list, PSA 8-6
free lists, PSC 7-21
instance shutdown errors, PSA 4-5
manual archiving, PSA 13-5
manual archiving by, SCN 362
sessions and, SCN 8-4
shared server processes and, SCN 8-20
trace files, SRF 1-121
user program interface (UPI), SCN 8-27
USER pseudocolumn, SCN 309
User Queue Tables, Selecting, ADQ 10-7
user resources
limiting, DWG 18-9
User Role, ADQ 4-7
user session, PCO 3-12,
PLS 5-41
definition of, PC_ 3-15
user session handle
attributes, OCI A-12
description, OCI 2-9
setting in service context, OCI 2-10
user trace files, PSG C-10
USER_ views, SCN 2-6
USER_ALL_TABLES view, SRF 2-3,
SRF 2-168
USER_ARGUMENTS view, SRF 2-5,
SRF 2-168
USER_ASSOCIATIONS view, SRF 2-7
USER_AUDIT_OBJECT view, SRF 2-168
USER_AUDIT_SESSION view, SRF 2-168
USER_AUDIT_STATEMENT view, SRF 2-169
USER_AUDIT_TRAIL view, SRF 2-169
USER_CATALOG view, SRF 2-169
CAT synonym, SRF 2-93
USER_CLU_COLUMNS view, SRF 2-169
USER_CLUSTER_HASH_EXPRESSIONS view, SRF 2-169
USER_CLUSTERS view, SRF 2-169
CLU synonym, SRF 2-94
USER_COL_COMMENTS view, SQL 7-228,
SRF 2-169
USER_COL_PRIVS view, SRF 2-170
USER_COL_PRIVS_MADE view, SRF 2-170
USER_COL_PRIVS_RECD view, SRF 2-170
USER_COLL_TYPES view, SRF 2-170
USER_CONS_COLUMNS view, SRF 2-170
USER_CONSTRAINTS view, SRF 2-170
USER_DB_LINKS view, DDS 2-21,
SRF 2-171
USER_DEPENDENCIES view, SRF 2-171
USER_DIM_ATTRIBUTES view, SRF 2-171
USER_DIM_CHILD_OF view, SRF 2-171
USER_DIM_HIERARCHIES view, SRF 2-171
USER_DIM_JOIN_KEY view, SRF 2-172
USER_DIM_LEVEL_KEY view, SRF 2-172
USER_DIM_LEVELS view, SRF 2-172
USER_DIMENSIONS view, SRF 2-171
USER_DUMP_DEST initialization parameter, SAD 4-16,
SBR 4-14,
SBY 4-6,
SRF 1-121,
STU 6-4
USER_DUMP_DEST parameter, PSG 4-9,
PSG C-10
of ALTER SYSTEM, SQL 7-119
SQL Trace parameter, STU 6-4
USER_ERRORS view, SRF 2-172
debugging stored procedures, ADG 9-42
USER_EXTENTS view, SRF 2-172
USER_FREE_SPACE view, SRF 2-172
USER_ID column
TKPROF_TABLE, STU 6-18
USER_IND_COLUMNS view, SRF 2-173
USER_IND_EXPRESSIONS view, SRF 2-173
USER_IND_PARTITIONS view, SRF 2-173
USER_IND_SUBPARTITIONS view, SRF 2-173
USER_INDEXES view, SRF 2-173,
STU 12-17
filling with data, SAD 19-7
IND synonym, SRF 2-153
USER_INDEXTYPE_OPERATORS view, SRF 2-174
USER_INDEXTYPES view, SRF 2-173
USER_INTERNAL_TRIGGERS view, SRF 2-174
USER_JOBS view, SRF 2-174
jobs in system, viewing, SAD 8-14
USER_LIBRARIES view, SRF 2-174
USER_LOB_PARTITIONS view, SRF 2-174
USER_LOB_SUBPARTITIONS view, SRF 2-175
USER_LOBS view, SRF 2-174
USER_METHOD_PARAMS view, SRF 2-175
USER_METHOD_RESULTS view, SRF 2-175
USER_MVIEW_AGGREGATES view, SRF 2-175
USER_MVIEW_ANALYSIS view, SRF 2-175
USER_MVIEW_DETAIL_RELATIONS view, SRF 2-176
USER_MVIEW_JOINS view, SRF 2-176
USER_MVIEW_KEYS view, SRF 2-176
USER_MVIEWS view, SRF 2-43,
SRF 2-176
USER_NESTED_TABLES view, SRF 2-176
USER_OBJ_AUDIT_OPTS view, SRF 2-177
USER_OBJECT_SIZE view, SRF 2-177
USER_OBJECT_TABLES view, SRF 2-176
USER_OBJECTS view, SRF 2-176
OBJ synonym, SRF 2-155
USER_OPANCILLARY view, SRF 2-177
USER_OPARGUMENTS view, SRF 2-177
USER_OPBINDINGS view, SRF 2-177
USER_OPERATORS view, SRF 2-177
USER_OULTINE_HINTS view
stored outline hints, STU 10-6
USER_OUTLINE_HINTS view, SRF 2-177
USER_OUTLINES view, SRF 2-178
stored outlines, STU 10-6
USER_PART_COL_STATISTICS view, SRF 2-178
USER_PART_HISTOGRAMS view, SRF 2-178
USER_PART_INDEXES view, SRF 2-178
USER_PART_KEY_COLUMNS view, SRF 2-178
USER_PART_LOBS view, SRF 2-178
USER_PART_TABLES view, SRF 2-179
USER_PARTIAL_DROP_TABS view, SRF 2-179
USER_PASSWORD_LIMITS view, SRF 2-179