HP OpenVMS Systems Documentation

Guide to OpenVMS File Applications

G
GBLPAGES system parameter
GBLPAGFIL system parameter
GBLSECTIONS system parameter
Generation version number
Generic key match
GET attribute #1
GET attribute #2
Get service
compared with Find service
current-record and
effect on next-record position
high-level language equivalents
requirement for end-of-file test
run-time options
Global buffer counts, example of run-time specification
Global buffer performance enhancements
Global buffer sizes
for shared sequential file operations #1
for shared sequential file operations #2
Global buffers #1
Global buffers #2
Global buffers #3
number
performance
restricted use
with deferred-write option
with indexed file
with relative file
with shared file
with shared sequential file
Global page tables
Global section, concurrent access
Global sections
/GLOBAL_BUFFERS qualifier
GLOBAL_BUFFER_COUNT attribute #1
GLOBAL_BUFFER_COUNT attribute #2
H
Hard-positioning option
Hardware errors
Header labels
HDR1 label #1
HDR1 label #2
accessibility field
creation date field
expiration date field
file identifier field
file section number field
file sequence number field
file-set identifier field
generation number field
generation version-number field
HDR2 label #1
HDR2 label #2
block length field
buffer-offset length field
record format field
record length field
system-dependent field
HDR3 label
RMS attributes field
HDR4 label #1
HDR4 label #2
HELP command
Home blocks
I
I/O and performance
I/O unit #1
I/O unit #2
I/O unit #3
Identifier fields
file
file-set
implementation
owner
volume
Image activations
INDEX BUCKET structure
Index compression
prohibition against using
restrictions #1
restrictions #2
restrictions #3
Index depth
Index entries, ordering
Index levels, number of
Index structures #1
Index structures #2
Level 0
Level 1
primary
Indexed files #1
Indexed files #2
Indexed files #3
advantages of using
allocating
alternate key
bitmap
bucket size #1
bucket size #2
bucket size #3
bucket size #4
buffering #1
buffering #2
compression #1
compression #2
compression #3
deferred-write option with
designing
disadvantages of using
examining
extend size
fill factor
global buffers
INDEXF.SYS
key type
making contiguous
optimizing performance
organization
primary key
Prolog 1 files and Prolog 2 files
reclaiming buckets in
record access #1
record access #2
record access #3
redesigning
reorganizing
run-time options #1
run-time options #2
selection of default extension quantity
tuning
with global buffers
/INDEXED qualifier
INDEX_AREA attribute
INITIALIZE command, window size and
/INTERACTIVE qualifier
Internal buffers
INVOKE command
IRG (interrecord gap)
ISO 9660 CD, file format
ISO 9660 standard, resolution of incompatibilities with OpenVMS
K
Key 0
Key buffers #1
Key buffers #2
Key buffers #3
Key-characteristics option
Key compression
front
prohibition against using
rear
restrictions #1
restrictions #2
restrictions #3
KEY DESCRIPTOR structure
Key matches
approximate
exact
generic #1
generic #2
generic and approximate
Keys (in records)
alternate #1
alternate #2
alternate #3
duplicate values
for Prolog 1 files and Prolog 2 files
null value
number of
primary #1
primary #2
segmented
size #1
size #2
size #3
used in storing indexed records sequentially
Keys of reference
KEY_GREATER_EQUAL attribute #1
KEY_GREATER_EQUAL attribute #2
KEY_GREATER_THAN attribute #1
KEY_GREATER_THAN attribute #2
L
Labels
ANSI magnetic tape #1
ANSI magnetic tape #2
EOF (end-of-file)
EOV (end-of-volume)
HDR1
HDR2
HDR3
HDR4
header
ISO
trailer
VOL1
Leading hyphens
file names
subdirectory names
Leading zeros in stream records
LEVEL1_INDEX_AREA attribute
LIB$FIND_FILE routine
LIB$STOP routine
Line_Plot graph #1
Line_Plot graph #2
Local nodes
Locate mode, record retrieval and
Lock-mastering nodes
Lock-requesting nodes
Lock root
LOCK_ON_READ attribute
LOCK_ON_WRITE attribute
Logical-block-position option
Logical names
concealed attribute
concealed-device
parsing #1
parsing #2
rooted-device
sample program #1
sample program #2
search lists #1
search lists #2
search lists #3
translation #1
translation #2
translation #3
types of #1
types of #2
LOGICAL option
Lowercase letters

Contents

Index