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Monthly Archives: July 2021

Oracle Database Administration with Orac

Kevin Kitts Issue #67, November 1999 Database Administration got you down? Here’s a tool to help you out. Orac is an open-source database administration tool written in Perl/Tk. It was written primarily by and for DBAs (database administrators). However, it will also be very useful to developers and anyone else who wants to understand more about how (and how well) ...

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MySQL database

David Axmark Michael xxxxxxx Widenius Issue #67, November 1999 A look at the MySQL database—where it’s been, where it is now, and where it’s going.       MySQL’s history goes back to 1979 when TcX, the company that developed MySQL, started working with database programs. This first version was a screen builder/reporting tool written in BASIC. At that time, ...

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Open Database Connectivity

Peter Harvey Issue #67, November 1999 Mr. Harvey describes the ODBC open specification for application developers. Open Database Connectivity (ODBC) is an open specification for providing application developers with a predictable application programmers interface (API) with which to access data sources. Data sources can be just about anything, provided someone has created an ODBC driver for it. The most common ...

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Using Java Servlets with Database Connectivity

Bruce McDonald Issue #67, November 1999 The persistent nature of Java servlets makes them ideal for database/web technology. Mr. McDonald takes a look at using servlets with PostgreSQL and JDBC. The Common Gateway Interface (CGI) has and continues to be the most commonly used method for creating dynamic and responsive web pages. The main problem with CGI (that stems from ...

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Configuring a Dial-On-Demand Server in Linux


Liu Kwong Ip Issue #67, November 1999 Here’s the way to develop a dial-on-demand database cluster in Linux. About half a year ago, we began a project called NORA to develop an information system for a private dental clinic in Hong Kong. The basic requirement was that the clinical information, including patient folders, appointment books, laboratory work, etc., could be ...

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Memory Error, Parallel Computing

linux software

Best of Technical Support Various Issue #66, October 1999 Our experts answer your technical questions. Modem Question Can I get two nearby modems to talk over a short connecting line without going through the telco, i.e., going from the phone line connector of one modem to the other with a twisted pair (reversed)? It seems this should work and I ...

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Linux for embedded controllers


Andy Gotz Petri Makijarvi Bernard Regad Manuel Perez Paolo Mangiagalli Issue #66, October 1999 A scientific laboratory in Europe depends on Linux for controlling equipment used in their research. Linux is being used at the European Synchrotron Radiation Facility to build distributed embedded controllers. The embedded systems are either PC/104-based systems, which boot from a flashdisk, or VME crates which ...

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Linux kernel to their embedded system

linux security

He Zhu Xiaoqiang Chen Issue #66, October 1999 An experiment and experience in using Linux in an embedded application. We believe Linux is going to play a significant role in embedded applications. It is compliant with POSIX 1003.1 and supports the POSIX soft real-time extension. Theoretically, it is capable of supporting a wide range of embedded applications which require only ...

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Embedding Linux in a commercial product

linux os

Joel R. Williams Issue #66, October 1999 A look at embedded systems and what it takes to build one. Most Linux systems run on PC platforms; however, Linux can also be a reliable workhorse for embedded systems. This article gives an overview of embedded systems and demonstrates what is involved in using Linux in a commercial embedded system. Embedded Systems—Older ...

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GUI-based real-time application


Juergen Kahrs Issue #66, October 1999 “The purpose of computing is insight, not numbers.” –Richard Hamming, 1915-1998 In today’s visual world of data processing, many people think solving problems with computers means implementing graphical user interfaces (GUIs). From this point of view, writing real-time applications means writing GUIs while at the same time mastering the system-dependent functions that ensure predictable ...

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