The Latest

DevX - Software Development Resource

Setup of SQL on the Client Side

Question: I own a company and have two database servers. One is MS SQL6.5 and the other is a Sybase server. I want to access both servers on a client

DevX - Software Development Resource

Migration from ACT to MS SQL Server

Question: We currently have two contact databases in ACT. One of them is growing exponentially and at 70,000 records we are already experiencing problems. We are considering switching to MS

DevX - Software Development Resource

Calculating While Querying

Question: I have two fields in my query: SELECT minutes, cost FROM SomeTable However, I would like to calculate the cost/minutes for each row selected. So I tried the following:

DevX - Software Development Resource

Data Extract and Input Using SQL

Question: We use Dunn & Bradstreet’s Smart Streem System with a subledger that has a high volume of data, and as of this point has to be identified manually and

DevX - Software Development Resource

Indexing Overkill

Question: If a table has a primary key on columns A, B, and C, is there any advantage to also defining an index on columns A and B? Wouldn’t the

DevX - Software Development Resource

Field That Can Hold More Than 255 Characters

Question: I need a text (or char) field that can hold more than 255 characters. Something like a Memo field to hold almost unlimited character data. Is this possible? Answer:

DevX - Software Development Resource

Can Add Records But Not Update Them

Question: I am developing an application package with VB 6.0 and SQL Server 7.0. My problem is that I can add new records to the ADO recordset but I am

DevX - Software Development Resource

Deleting a Table in SQL

Question: Once a table has been created, is there any way of deleting it in SQL? Answer: Try: DROP TableName Related Posts How To Take A Screenshot On An Android

DevX - Software Development Resource

Updating Two Tables

Question: I have two tables: Yarn {Y_yarn_code,x_code}y_yarn_code being PK Yarn_lot (yl_yarn_code) I need to update yl_yarn_code with x_code where y_yarn-code=yl_yarn_code Answer: Try this: UPDATE Yarn_Lot SET Yarn_Lot.yl_yarn_code = (SELECT x_code

DevX - Software Development Resource

Setting the Timeout Parameter

Question: I am converting a database from Access to SQL. It is a large database?some 4.5GB large. I get a timeout (1 minute) before I get my response back. Can

DevX - Software Development Resource

Inserts Inside Views

Question: Is there a way to use an INSERT statement inside of a view? If it is not possible through a view, how do I use an INSERT statement? I

DevX - Software Development Resource

Remove Unsightly Frame Gaps in Netscape

When you create an HTML frameset using the FRAMEBORDER=”0″ attribute, the frames look fine in Internet Explorer. However, there’s an unsightly white gap between non-white pages when you view the

DevX - Software Development Resource

Display and Save a Grahic

Question: I have an application in which I have to enter employee info and save their photo. I can do that if I use a data control and bound control

DevX - Software Development Resource

Migration: Access to SQL Server

Question: I have written an application using VB6/Access. I use DAO. How easy is it to convert the application from Access to SQL Server? Should I make a lot of

DevX - Software Development Resource

Objects And Classes

Question: I need to compare two object instances of the same class. But I need to compare the contents and not the references (ie: “obj1 is obj2” – will not

DevX - Software Development Resource

Taking the Null Character Out of a String

Question: Let me describe the problem first: I have a TYPE statement with two variables(appname & dbname). They both are pointing to a global variable that sets the maximum length

DevX - Software Development Resource

Linking a Listbox to a Database

Question: How can I put a column from my database into a listbox using VB 6.0? Answer: Here’s a quick way to load a listbox using ADO in VB 6.0.

DevX - Software Development Resource

Combobox and ADO Resultset

Question: After retrieving a resultset, using VB6, from SQL Server, I am easily able to populate a grid by setting the resultset to the grid (i.e. Set DataCombo1.DataSource = GetRs).

DevX - Software Development Resource

Variant Naming Specification

Question: I know a recordset object should be named rstName, but don’t know all about variant naming specifications. I looked for it on MSDN for a long time, but couldn’t

DevX - Software Development Resource

Split Function

Question: How is the data laid out in the array and how do you know the size of the array! Answer: Each string that results from the Split function is

DevX - Software Development Resource

Object Creation in VB

Question: I’ve read about what happens behind the scenes when VB creates an instance of a COM object. But, what exactly does happen when VB creates an instance of a

DevX - Software Development Resource

Setting Daily Events

Question: I want to kick off a function once a day (for examle, at midnight). The timer seems a very inefficient way to do this. Is there any way of

DevX - Software Development Resource

ArrayAvg – The average of an array of any type

‘ The average of an array of any type” FIRST and LAST indicate which portion of the array’ should be considered; they default to the first’ and last element, respectively’