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
Index
Index 697
DBUNLOAD utility, 412
and broken chains, 414
DBUPDATE
with B-Tree index, 518
DBUTIL
with B-Tree index, 506
DBUTIL utility, 419
ACCESS option, 428, 432
AUTODEFER option, 428, 432
DUMPING option, 428, 432
ILR option, 428, 432
INDEXING option, 428, 432
LOGGING option, 428, 432
MUSTRECOVER option, 428, 432
PREFETCH option, 428, 432
RECOVERY option, 428, 432
ROLLBACK option, 428, 432
DBUTIL utility commands
ACTIVATE, 421
ADDINDEX, 423
CREATE, 424
DEACTIVATE, 426
DETACH, 427
DISABLE, 428
DROPINDEX, 431
ENABLE, 432
ERASE, 435
EXIT, 437
HELP, 438
MOVE, 439
PURGE, 441
REBUILDINDEX, 444
REDO, 445
RELEASE, 446
SECURE, 447
SET, 448
SHOW, 453
VERIFY, 463
DBUX, use of, 490
DDXM, 493
DEACTIVATE command, of DBUTIL, 426
DEADLOCKDETECT, 428
deadlocks
prevention, 655
debugging, 539
with I and J files, 540
default
for DBRECOV CONTROL, 359
recovery mode, 312
delete chain, 495
Dependency Semaphore, 486
design considerations, 651
DETACH command, of DBUTIL, 427
detail data set
media records, 479
space allocation, 495
device
list, 458
DEVICE option, of DBUTIL, 453
disable
access, 428
AUTODEFER, 428
dumping, 428
flags, 428
ILR, 428
indexing, 428
logging, 428
MUSTRECOVER, 428
PREFETCH, 428
recovery, 428
ROLLBACK, 428
DISABLE command, of DBUTIL, 428
displaying information
about DBUTIL commands, 438
about locks, 459
about the database, 453
Distributed Systems (DS/3000), 465
DMDBX, 312, 315, 491
DROPINDEX
syntax, 506
DROPINDEX command, of DBUTIL, 431
DS user identification, 468
DSLINE command
in database-access file, 469
dumping
disable, 428
enable, 432
DUMPING option, of DBUTIL, 428, 432
show, 453
dynamic
data set expansion, 481, 493
database transactions, 315
multiple database transaction, 312
transactions and locking, 319
dynamic expansion, 482
dynamic roll-back recovery, 321
quick reference, 669
E
enable
access, 432
AUTODEFER, 432
dumping, 432
flags, 432