September 14, 1999

DevX - Software Development Resource

Retrieving the Greatest Value from a Group

Question: I have a table like this one: Day_Period_Money (daydate date, period number, amount number); Here is an example of some data: daydate period amount01/01/99 1 1001/01/99 2 2001/01/99 3

DevX - Software Development Resource

Removing a Duplicated Item

Question: I have tried the following code: SELECT distinct title, id from table where …..order by title and it returns: A 001A 002B 003 The result I want is: A

DevX - Software Development Resource

Determine if a Form is Open

Question: I have this real cool function to determine if a Form is Open which works fine in Access 97, but not in VB 6.0 because it does not support

DevX - Software Development Resource

Overriding a Deprecated Function

Question: I have a class that extends one class and implements an interface.The interface requires a getName() method.At the same time the class I am extending has a getName() functionthat

DevX - Software Development Resource

SQL Standard for Concatenation

Question: What is the SQL standard for concatenation? Answer: In SQL Server, you can do something like SELECT “Me” + “You” gets you MeYou In Oracle, I believe the symbol

DevX - Software Development Resource

Asynchronous Processing

Question: I have written an ActiveX EXE. that handles Batch Reporting requirements on a large amount of data. Even though it is an Out-of-Process “server”, it still seems to execute