[DERBY-5999] Improve documentation on index key lengths

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 10.9.1.0
• Fix Version/s: 10.8.3.3, 10.9.2.2, 10.10.1.1
• Component/s: Documentation
• Assignee: Camilla Haase
• Reporter: Camilla Haase
• Created: 19/Nov/12 16:20
• Updated: 24/Jan/13 15:45
• Resolved: 21/Nov/12 20:59

Description

DERBY-5881 includes the following suggestion:

3. The documentation for sized datatypes like char and varchar should be updated to warn about indexing limitations (which would most likely be encounterd with such datatypes).

It probably also makes sense to add this recommendation to the introductory topic on indexes in the Tuning Guide (http://db.apache.org/derby/docs/dev/tuning/ctunperf10679.html).