Tip Bank

DevX

Selecting “N” Records from Result Set

Question: How can we specify in a select statement to get first “n” records from the result set? E.g., select * from employee order by emp_num I just want the

DevX

Informix 9.20 Memory Leak?

Question: Does Informix 9.20 have a memory leak? We’ve doubled our physical memory since upgrading, taken a number of tuning actions, but the product keeps grabbing more memory. No appreciative

DevX

Queries Returning Empty Cursors on Informix

Question: When in production (several users), my Web application starts getting empty cursors when querying the Informix server. I’m sure the ‘right’ results are not empty. Also, I’ve seen, using

DevX

Rebuild Large Table with New Extents

Question: What is the best way to backup and/or unload a table and restore/reload to a new dbtable with new extents? Answer: If you have enough drive space, do an

DevX

Combining Text Fields

Question: How do I combine multiple text fields into a single field? For example, combining someone’s first, middle, and last name into a field called “full name”. I’ve done a

DevX

Maximizing the Browse Window

Question: When I use the BROWSE command it always displays the results in a normal window. Is there a command to maximize the browse window in the program? Answer: The

DevX

Using ORDER BY Based on a Parameter

Question: I want to construct an SQL query or stored procedure that will order its result set based on a query parameter. Something like: SELECT *FROM customersORDER BY ? Unfortunately,

DevX

Convert Text to Proper Case

Question: I am using SQL Server 7 and would like to convert an uppercase string to proper case. Is there an easy way to do it? Answer: SQL Server has