February 29, 2000

Evaluating Database Security

Question: How easy/hard is it to hack into a database? How do they hack into them, and where can I get some basic information on database privacy and security? Answer:

Onmonitor Program and Shared Memory

Question: When I start the Onmonitor program and run Status, I receive the message, “Unable to attach to shared memory.” But I have Informix 7.23 for AIX! What’s going on?

Creating a Client E-mail List

Question: I am trying to create a client e-mail listing to go out to all our company clients. What would be the easiest way to do this? Answer: The easiest

Opening Web Browsers for Multiple Pages

Question: I have seen a few tips regarding opening a Web browser using the Run command or using the ShellExecuteA external command. If I want to open multiple pages one

Running an External Program

Question: How do you get C++ to run an outside program? How do you type this in the source code? Answer: You can invoke another executable from your programming by

Single Quotes in Queries

Question: When using PowerBuilder as a front end for doing SQL queries, I get the following pop-up message when I look for someone with a single quote in their name

Searching PBD for User Object at Runtime

Question: I am currently writing a generic system where user object names are stored in a database and instantiated upon request. This is currently working beautifully, but I fall short

Protected Inheritance Bug

Question: What is the standard rule on access specifiers associated with superclasses? Old C++ compilers would not allow protected superclasses. But, the book I’ve read about OOAD allows it. Example: