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HP IMAGE/SQL
============
Technical Data
HP Computer Systems
The SeQueL
----------
HP IMAGE/SQL is the database management system you use today with
the addition of structured query language - the interface of
relational databases. IMAGE/SQL maintains full TurboIMAGE
functionality - your existing applications will continue to
operate without any modification.
HP IMAGE/SQL benefits
---------------------
Investment leverage
The significant investment you have in IMAGE applications and
information is preserved. While maintaining this investment, you
can now take advantage of relational technology without any data
conversions. New applications and enhancement of existing
applications can be done using SQL data manipulation techniques.
Your existing and new SQL applications can operate without making
any changes to the existing application environment.
Figure 1. Reap the relational benefits from your IMAGE
investments
SQL client/server tools
Accessing and manipulating IMAGE data can now be done with
standard SQL protocols. Hewlett-Packard and leading independent
software vendors offer a wide selection of SQL client/server
tools to address the needs of Decision Support, Management
Information, and Application Development.
These SQL client/server tools allow you to focus on your business
- not on where the data is or how to access it. You can view the
data in ways never before possible by combining data from
multiple databases: IMAGE/SQL, ALLBASE/SQL or third-party
databases in the same query.
Using 4GL client/server tools, you can develop easy-to-use,
window-based, graphical-user-interface applications. These
applications can access your IMAGE databases while your existing
host-based applications continue to operate as they always have.
Working in a client/server environment can offload processing
from the host server to the PC clients, reserving host power for
other processing.
Productivity improvement
Productivity and efficiency gains can be realized when
easy-to-use decision support and management information tools are
employed to meet end-user information needs. Many of these tools
require no knowledge of SQL, thereby putting reporting and ad-hoc
query in the hands of users and freeing technical professionals
for other duties.
Figure 2. Access and integrate information in ways never before
possible
HP IMAGE/SQL features
---------------------
Standard SQL interface
IMAGE/SQL operates using the SQL Data Manipulation Language
(DML). This functionality is based upon the ANSI-89 SQL DML
command standard. Most of the ALLBASE/SQL DML commands are also
supported. Operating within this standard allows many 4GL tools,
listed below, to be used with IMAGE/SQL and ALLBASE/SQL.
IMAGE/SQL components
IMAGE/SQL consists of IMAGE system procedures and other
specialized procedures. Some components are specifically used in
the client/server environment. IMAGE/SQL components include:
o HP ALLBASE/PC API - application programming interface, based
on the Gupta interface standard, which serves as the client
link for most of the client/server tools
o HP ALLBASE/Net -works with ALLBASE/PC API in connecting client
users with server databases
o ISQL - allows interactive SQL command processing with
IMAGE/SQL and ALLBASE/SQL
Concurrency with existing applications
Your existing applications, whether developed internally or
purchased from a vendor, can operate concurrently with
applications developed using the SQL interface. You do not need
to change your existing applications.
ALLBASE/SQL coexistence
IMAGE/SQL operates using a Database Environment (DBE), just like
ALLBASE/SQL. This feature allows these databases to be accessed
in the same way. From an application point of view, the
databases are equivalent. In fact, a single DBE can manage
IMAGE/SQL tables and ALLBASE/SQL tables, providing the ultimate
in coexistence.
Because IMAGE/SQL and ALLBASE/SQL use the same SQL interface,
features such as stored procedures, triggers, and business rules
can also be used on IMAGE data.
Network sharing of data
Whether your network is of HP 3000 systems only, or a mix of HP
3000 and HP 9000 systems, IMAGE/SQL is available to all your
users. Applications can access the HP 3000-resident IMAGE/SQL
database from ALLBASE/SQL on HP 9000 systems and from IMAGE/SQL
or ALLBASE/SQL on HP 3000 systems.
Administration utility
Included with IMAGE/SQL is a utility to assist in the
administration of IMAGE databases in the SQL environment. The
utility, called IMAGESQL, provides a variety of functions,
including:
o Attachment of the IMAGE database to the DBE. This function
establishes the link between IMAGE and SQL.
o Data type mapping between IMAGE and SQL. IMAGE and SQL data
types are not entirely compatible. Data type mapping provides
default and custom map functions for the SQL interface.
o User security mapping between IMAGE and SQL. The security
schemes of IMAGE and SQL are not entirely compatible. This
utility provides a way to map system users to IMAGE/SQL users.
Transaction integrity
The SQL standard defines commands for completing or rolling back
transactions. This transaction integrity is included with
IMAGE/SQL and is built on the existing IMAGE dynamic transaction
management functionality.
Deadlock detection
IMAGE/SQL includes the feature of deadlock detection for
identifying situations where IMAGE resource deadlocks might
occur. When deadlocks are detected, the lowest priority
transactions will be aborted and rolled back, ensuring
application availability and database logical integrity.
Performance summary
Performance information can be viewed in terms of existing
applications, SQL applications, and mixed concurrent
environments. Performance characteristics of IMAGE/SQL in all
these environments remain similar to TurboIMAGE: Request
complexity, database design, and data volume.
o Simple queries perform more quickly than complex queries.
o Queries using IMAGE key items perform more quickly than non-
key items.
o Queries selecting low data volumes perform more quickly than
high volume queries.
IMAGE intrinsic access versus SQL access shows intrinsic access
maintaining an advantage. SQL applications will operate well in
environments where the above characteristics are considered.
Concurrent operation of existing IMAGE applications and new SQL
applications will show no degradation of the existing
applications other than that normally associated with increased
usage of a database.
Product information
IMAGE/SQL is included on all HP 3000 MPE/iX systems. The
IMAGE/SQL license must be identical to the MPE/iX user license.
The customer must also maintain IMAGE/SQL on support contract.
Part Number Description
--------------------------------------------------------------
32653B HP IMAGE/SQL for 900 Series HP 3000 computers
with the following options:
Opt. UA3 for use by 1 to 8 users
Opt. 0AF for use by 1 to 20 users
Opt. UA7 for use by 1 to 32 users
Opt. UCY for use by 1 to 40 users
Opt. UA9 for use by 1 to 64 users
Opt. UBD for use by 1 to 100 users
Opt. UAB for use by 1 to 128 users
Opt. UCN for use by 1 to 160 users
Opt. UAD for use by 1 to 256 users
Opt. UDW for use by 1 to 384 users
Opt. UAT for use by unlimited users
System environment
o MPE/iX 4.0 or later
o IMAGE/SQL
Additional networking software may be required by the
client/server tool. Contact the vendor for specific network
requirements.
o Networking
- HP ARPA or NS
HP NetWare
Consult your sales representative for more information.
Client/server tools
-------------------
Decision support and management information
o Channel Forest & Trees
o Cognos Impromptu
o HP NewWave Access (for Windows)
o Gupta Quest
4GL application development
o Cognos PowerHouseWindows
o Gupta SQLWindows
o Powersoft PowerBuilder
o Pioneer Q+E
Additional PC client requirements
o MS Windows 3.0 or later
o HP ALLBASE/SQL PC API
o Networking
- HP ARPA or NS 2.1
- MS or WRQ sockets
- HP NetWare Client
Some tools do not require PC API or LAN networking.
4GL toolsets
------------
o HP ALLBASE/4GL
o HP ALLBASE/Query
o HP Transact
o IBI FOCUS
o Ingres tools
o JYACC
o Progress tools
o Speedware tools
o Uniface tools
Documentation
-------------
Order Number Description
-----------------------------------------------------------
36385-90001 HP IMAGE/SQL Utility Administrator's Guide
30391-90001 TurboIMAGE/XL DBMS Reference Manual
36385-90008 Getting Started with HP IMAGE/SQL
Technical information in this document is subject to change
without notice.
(c) Copyright
Hewlett-Packard Company 1993
All Rights Reserved. Reproduction, adaptation, or translation
without prior written permission is prohibited except as allowed
under the copyright laws.
Printed in USA GD0493
5091-7452E