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Mimer SQL on HP Integrity Server, OpenVMS
Introduction

Mimer SQL is the first DBMS running on OpenVMS 64-bit HP Integrity servers, based on Intel® Itanium® 2 processors. This enables OpenVMS users to utilize the performance and scalability of the new HP Integrity server platform for mission-critical database applications.

Since the first release of Mimer on VMS in 1982 (Mimer version 3.1 on VAX VMS 3), a large number of Mimer users have deployed their solutions on the VMS platform.

While retaining compatibility for old customers, new versions contains enhanced database functionality. For the latest version the following features can be mentioned:
  • Immediate restart brings the system back immediately after an unscheduled shutdown

  • Support for bufferpool sizes up to 16 GB

Description

Mimer SQL is currently used in many mission critical systems running HP OpenVMS on AlphaServer systems worldwide. By extending Mimer’s support for OpenVMS to the HP Integrity server family, customers will benefit from a high performance and zero maintenance DBMS on this new platform. The compatibility in Mimer SQL between HP AlphaServer systems and Integrity servers makes it possible to migrate Mimer SQL database applications for OpenVMS from AlphaServer systems to Integrity servers without any application modifications.

A Mimer SQL Engine distribution contains several components, as described below.

Default License

A default license for testing and development is included, it allows up to ten concurrent users. For license upgrades, please contact Mimer SQL sales.

Database Server

The Mimer SQL database server is a single, multi-threaded process. By using DecThreads, good SMP scalability is achieved.

Clients using TCP/IP or Decnet can access the server. For clients running on the same platform, a special shared-memory based communication method is used.

Embedded SQL

An embedded SQL preprocessor is included. It enables SQL commands to be embedded in programs written in C, C++, FORTRAN and COBOL. The embedded syntax complies with the ISO standard for embedded SQL.

JDBC Driver

A JDBC driver is included in the distribution. The driver is a type 4 driver, which means that it is written entirely in Java. This provides the driver with full portability so that it can be copied or downloaded to any Java-enabled platform. The driver uses TCP/IP to access a Mimer SQL server (version 8.2 or later) on any platform.

Three drivers are supplied, compatible with JDBC 1 (requires JDK 1.1.8), JDBC 2 (requires Java 1.2) and JDBC 3 (requires Java 1.4 or later).

Use h18000.www1.hp.com/java/alpha/index.html for more information about Java on OpenVMS.

ODBC Driver

The Mimer ODBC driver is a client library that enables applications to access Mimer SQL database servers running on any platform. The driver complies with the ODBC 3.52 specification.

By using the ODBC driver on OpenVMS, you can develop ODBC applications and execute them on the OpenVMS platform.

Unlike other platforms, OpenVMS does not include a Driver Manager that enables OpenVMS applications to dynamically load drivers for different database products. Until such a Driver Manager becomes available on OpenVMS, you can link your applications directly to the Mimer ODBC driver.

Note that in order to run an ODBC application on a Windows platform, the Windows ODBC driver has to be installed on the client side. This driver can then access Mimer database servers on any platform (including OpenVMS). There is no need to install any special software on the server side in order to use ODBC.


Documentation

The Mimer SQL product for OpenVMS includes the Mimer manuals if Adobe PDF format. To view the manuals, either use the XPDF utility that is available on the OpenVMS Freeware CD-ROM, or transfer the files to another platform with better PDF viewing support.

Alternatively, point your browser to the Mimer SQL documentation page and read the documentation in HTML format.

Utilities

Mimer SQL includes command-line utilities for creating databases, load and unload of data, backups, etc.

There is also a program that enables SQL statements to be executed interactively from a command prompt.

The Mimer SQL distribution also contains examples of database programs and SQL statements.

Products

Developer and evaluation versions of Mimer SQL 10.0 for all platforms, including HP OpenVMS for HP Integrity servers, are available for free download from Mimer’s developer web site http://developer.mimer.com/downloads.

Notes

Mimer SQL 10.0 requires Open VMS 8.3 or later on the HP Integrity Server platform.

Links

Read more about Open VMS on the HP Integrity Server on http://h71000.www7.hp.com/openvms/integrity/index.html

OpenVMS documentation (http://h71000.www7.hp.com/doc/).

OpenVMS patches (http://h71000.www7.hp.com/serv_support.html).

Download Mimer SQL Engine for Open VMS from our download page.

For further details, please see our Howto and Feature articles. Or, contact Mimer SQL Support.

Last updated: 2009-03-13

 

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