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
702 Index
Index
SHOWLOGSTATUS command, of MPE/iX, 326
simple argument, 502
sort items
design considerations, 651
updating values, 451
sort sequence for lock descriptors, 656
sorted
chains, 651
space allocation for
detail data sets, 495
master data sets, 494
special capability
multiple RIN, 655
STAMP parameter, of DBRECOV, 392, 395
start recovery operation, 353, 358
STATS parameter, of DBRECOV, 395
status area
information, 539
information and multiple access, 649
MPE V versus MPE/iX, 689
STOPTIME parameter, of DBRECOV, 392, 395
STORE parameter, of DBRECOV, 392, 395
storing entire database, 408
strong locking, 319
structured argument, 502, 513
subsystem flag
setting, 448
SUBSYSTEMS option, of DBUTIL, 448, 453
summary
of logging and recovery utilities, 309
super-chain, 502
super-find, 501
synonym chain, 480
synonyms, 480
syntax
errors, Schema Processor messages, 527
T
tables, recovery, 363
terminal read
and locking, 652
and logical transactions, 652
third-party indexing, 435
disable, 428
enable, 432
purging, 441
releasing, 446
securing, 447
time stamp, 392
database, 395
log records, 395
TPI
disable, 428
enable, 432
purging, 441
releasing, 446
securing, 447
trailing-@ search, 502
transaction
block, 315, 317
dynamic, defined, 315
logical, defined, 315
multiple database, defined, 315
static, defined, 315
Transaction Management, of MPE/iX, 497
transactions
dynamic, 315
multiple database, 315
static, 315
TRANSPORT option, of DBSTORE, 691
True-Online Backup, 333, 411
TURBOGTX, 490, 491
TurboIMAGE/V versus TurboIMAGE/XL, 681
TurboIMAGE/XL
overview, 681
TURBOLKT, 490, 491
TurboSTORE/iX 7x24, 411
TurboSTORE/iX 7x24 True-Online Backup, 333
benefits, 336
U
UNEND parameter, of DBRECOV, 395
updating values
of search items, 448
of sort items, 448
user access, 428, 432
USERS option, of DBUTIL, 453
utilities
conditional error messages, 601
DBLOAD, 384, 385
DBRECOV, 384, 389
DBRESTOR, 384, 406
DBSTORE, 384, 408
DBUNLOAD, 384, 412
DBUTIL, 384, 419
operation, 384
unconditional error messages, 601, 631
V
VERIFY command, of DBUTIL, 463
volume, 385, 412
private, 366