TurboIMAGE/XL Database Management System Reference Manual (30391-90012)
Table Of Contents
- 1 Introduction
- 2 Database Structure and Protection
- 3 Defining a Database
- 4 Using the Database
- 5 TurboIMAGE/XL Library Procedures
- Using TurboIMAGE/XL Intrinsics
- DBBEGIN
- DBCLOSE
- DBCONTROL
- DBDELETE
- DBEND
- DBERROR
- DBEXPLAIN
- DBFIND
- DBGET
- DBINFO
- INTRINSIC NUMBER 402
- Syntax
- Parameters
- Discussion
- Mode 101: Item Number
- Mode 102: Item Name
- Mode 103: Items in Database
- Mode 104: Items in Data Set
- Mode 113: BTREEMODE1 and Wildcard Character
- Mode 201: Set Number
- Mode 202: Set Name
- Mode 203: Sets in Database
- Mode 204: Sets with Item
- Mode 205: Set Capacity
- Mode 206: Number of Data Set Chunks
- Mode 207: Size of Data Set Chunks
- Mode 208: Primary and Actual Capacity
- Mode 209: B-Tree Attachment
- Mode 301: Paths
- Mode 302: Key or Search Item
- Mode 401: Logging
- Mode 402: ILR
- Mode 403: Dynamic Roll-Back
- Mode 404: Logging Subsystem Information
- Mode 406: Database Information
- Mode 501: Subsystem Access
- Mode 502: Critical Item Update
- Modes 8nn: Third-Party Indexing
- Mode 901: Language
- DBLOCK
- DBMEMO
- DBOPEN
- DBPUT
- DBUNLOCK
- DBUPDATE
- DBXBEGIN
- DBXEND
- DBXUNDO
- 6 Host Language Access
- Model Program
- ORDERS Database Model Program
- Main Body of Program
- Opening the Database
- Retrieving All the Records on a Chain (with Item Level Locking)
- Retrieving a Data Entry Using a Record Number
- Retrieving Master Data Using a Key Value
- Retrieving Data Serially (with Set Level Locking)
- Adding an Entry
- Updating an Entry
- Deleting an Entry
- Rewinding a Data Set
- Obtaining Database Information
- Obtaining Error Messages and Explanations
- Closing the Database
- C
- COBOL II
- Defining Data Types, Variables, and Intrinsics
- Main Body of Program
- Opening the Database
- Retrieving All the Records on a Chain (with Item Level Locking)
- Retrieving a Data Entry Using a Record Number
- Retrieving Master Data Using a Key Value
- Retrieving Data Serially (with Set Level Locking)
- Adding an Entry
- Updating an Entry
- Deleting an Entry
- Rewinding a Data Set
- Obtaining Database Information
- Obtaining Error Messages and Explanations
- Closing the Database
- FORTRAN 77
- Pascal
- RPG
- 7 Logging and Recovery
- Database Utilities Used in Logging and Recovery
- Recovery Options
- Logical Transactions
- Dynamic Roll-Back Recovery
- Intrinsic Level Recovery
- Logging Preparation
- Step 1--Checking MPE/iX Logging Configuration
- Step 2--Acquiring Logging Capability
- Step 3--Logging to Tape or Disk
- Step 4--Building a Log File for Logging to Disk
- Step 5--Creating the Log Identifier
- Step 6--Setting the Log Identifier
- Step 7--Setting Flags for the Database Backup Copy
- Step 8--Making a Database Backup Copy
- TurboSTORE/iX 7x24 True-Online Backup
- Logging Status
- Logging Maintenance
- Roll-Forward Recovery
- Roll-Back Recovery
- DBRECOV Commands Used with Roll-Forward and Roll-Back Recovery
- Recovery Tables
- Post-Recovery Options
- The Mirror Database
- 8 Using the Database Utilities
- Restructuring the Database with TurboIMAGE/XL Utilities
- Summary of Utility Routines
- Utility Program Operation
- DBLOAD
- DBRECOV
- >CONTROL
- >EXIT
- >FILE
- >RECOVER
- >ROLLBACK
- >RUN
- DBRESTOR
- DBSTORE
- DBUNLOAD
- DBUTIL
- >>ACTIVATE
- >>ADDINDEX
- >>CREATE
- >>DEACTIVATE
- >>DETACH
- >>DISABLE
- >>DROPINDEX
- >>ENABLE
- >>ERASE
- >>EXIT
- >>HELP
- >>MOVE
- >>PURGE
- >>REBUILDINDEX
- >>REDO
- >>RELEASE
- >>SECURE
- >>SET
- >>SHOW
- Syntax
- Parameters
- Example (Show Users)
- Example Discussion
- Example (Show All)
- Example Discussion
- Example (Show Capacity)
- Format of Show Device List
- Example (Show Device)
- Format of Show Indices
- Example (Show Indices)
- Format of Show Locks List
- Example 1 (Show Locks)
- Example 1 Discussion
- Example 2 (Show Locks)
- Example 2 Discussion
- >>VERIFY
- 9 Using a Remote Database
- 10 Internal Structures and Techniques
- 11 B-Tree Indices
- A Error Messages
- B Results of Multiple Access
- C Database Design Considerations
- D Multiple Calls to DBLOCK
- E TurboIMAGE/XL Log Record Formats
- F MPE/iX Log Record Formats
- G Recovery and Logging Quick Reference
- H TurboIMAGE/XL versus TurboIMAGE/V
700 Index
Index
MPE/iX commands
ALTLOG, 327
BUILD, 326
CHANGELOG, 341
GETLOG, 327
LISTLOG, 327
LOG, 339
RELLOG, 327
SHOWLOGSTATUS, 326
MR capability, 655
multiple
access, 649
database transactions, 315, 347
RIN capability, 655
semaphores, 485
MUSTRECOVER option, of DBUTIL, 428, 432
disable, 428
enable, 432
N
names
data set, 424
Network Services (NS/3000), 465
NOABORTS parameter, of DBRECOV, 395
NOMDBX parameter, of DBRECOV, 395
NOSTAMP parameter, of DBRECOV, 395
NOSTATS parameter, of DBRECOV, 392, 395
NOSTORE parameter, of DBRECOV, 395
NOUNEND parameter, of DBRECOV, 392, 395
O
OLDINFOLIMITS, 433
output
deferred, 388
overview, TurboIMAGE/XL, 681
P
password
access class, modifying, 448
PASSWORD option, of DBUTIL, 448, 453
performance analysis, TurboIMAGE/XL, 651
pointers
data set, 478
definition of, 478
post-recovery options, 365
PREFETCH option, of DBUTIL, 428, 432
disable, 428
enable, 432
primary
address, 480
address calculation, 493
entries, 480
primary path, 651
prime numbers, 651, 652
PRINT command, of DBRECOV, 399
private volume, 366
procedure
error messages, 539
process
statistics, recovery program, 363
program aborts and recovery, 314
dynamic roll-back, 314
PURGE command, of DBUTIL, 441
purging the database, 441
Q
QLOCK, 490, 492
QOPEN, 490, 492
QUERY/3000
remote database access, 476
quick reference, logging and recovery, 669
logging device, 673
recovery options, 669
sample job streams, 674
R
REBUILDINDEX
command, of DBUTIL, 444
for B-Tree, 446
syntax, 506
record table, of DBRECOV, 395
records
media, 478
RECOVER command, of DBRECOV, 400
recovering
the database, 342
recovery
and dynamic transactions, 315
considerations, 314
CONTROL command, of DBRECOV, 359
DBRECOV STOP-RESTART, 368
default mode, 312
determining success of, 359
disable, 428
disabling roll-back, 356
enable, 432
enabling roll-back, 355
enabling roll-forward, 347
FILE command, of DBRECOV, 360
files, 360, 398
MPE/iX cleanup mode, 353, 358
multiple database transactions, 315