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 695
A
abort
and recovery, 314
conditions, 540, 597
ABORTS parameter, of DBRECOV, 392, 395
access
class password, modifying, 448
disable, 428
enable, 432
granting, 649
option, 428, 432
ACCESS option, of DBUTIL, 428, 432
ACTIVATE command, of DBUTIL, 421
activate DBA file, 421
ADDINDEX
command of DBUTIL, 423
syntax, 506
address
primary, 480
algorithms, primary address calculation, 493
ALL option, of DBUTIL, 453
ALTLOG command, of MPE/iX, 327
argument
simple, 502
structured, 502, 513
at-sign in DBA file, 470
audit trail, 314
AUTODEFER option, of DBUTIL, 428, 432
disabling, 428
enabling, 432
B
backup
copies, 332
files, 384
bit map, 481
block
and bit maps, 481
definition of, 481
broken chains, 414
message returned, 414
B-Tree index
DBINFO, 194
mode setting, 194
B-Tree indices, 501
external commands affected, 505
getting started, 520
key points, 503
limits, 519
overview, 501
terminology, 501
utilities affected, 505
BTREEMODE1, 502
buffer
management, 496
specifications, 692
BUFFSPECS option, of DBUTIL, 448, 453, 691
BUILD command, of MPE/iX, 326
C
calling errors, 540
capacity
expansion, 226, 458
master data set, 651
show, 458
CCE, 539
CCG, 539
CCL, 539
chain
data, 478
head, 478
sorted, 651
synonym, 480
CHANGELOG command, of MPE/iX, 341
CIUPDATE option, of DBUTIL, 448, 453
settings, 448
cleanup mode, MPE/iX, 353, 358
COMMAND intrinsic, of MPE/iX, 466
communication area of DBG, 490
communications link, remote session, 466
condition code, 539
conditional
locks, 657
control blocks, database, 493
Buffer Area (DBB), 490
Globals (DBG), 490
MPE V versus MPE/iX, 687
Remote (DBR), 492
size of, 493
System (DBS), 490
User Local (DBU), 490
User Local Index (DBUX), 490
CONTROL command
of DBRECOV, 392
CONTROL LARGESET, 478
control, exclusive, 453
copying data entries to formatted tape, 412
copying entire database
from backup volumes, 406
to disk, 406
to tape, 408
correspondence of backup copy and log file, 349
CREATE command, of DBUTIL, 424