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Deleted E-mails

Question: Is there any way to recover e-mails deleted from Exchange through Outlook 2000? Answer: Yes, if you have Deleted Item Recovery enabled. If you do, you should see a

Informix Version 7 SQL Query

Question: How do I find the top n records within a table for version 7? I have seen some similar SQL queries but cannot adapt them to version 7. Answer:

Using OUTER , WHERE or Simply JOIN

Question: Does it make a difference in placing an OUTER or simply a JOIN or a WHERE? Using WHERE: select tb01_field01,tbl01_field02 from tb01,tb02 where tb01_field01 = tb02_field01 Using JOIN: SELECT

Floating Point Arithmetic Myths

In the olden days, the use of floating point numbers imposed a significant computation and speed overhead compared to integer arithmetic. For this reason, many optimization guidebooks and IT veterans

What’s in a Byte?

Many believe that a byte is by definition, an eight-bit data unit. Technically, this definition isn’t correct. A byte is a data unit with an unspecified number of bits. Indeed,

West Coast XML Training

Question: I hope you can help me. My company is looking for training classes for XML on the West Coast (preferrably Portland, Seattle, or San Francisco area) I have been