INFORMATION_SCHEMA - a "virtual" daabase providing database's metadata - a possible way for Kexi to deal with native databases; PostgreSQL 8.0+, MySQL 5.0.2+
SQL recipes - resource for finding answers to common (and not so common) SQL queries for many SQL servers.
MS Access Tips & Tricks - many useful MS Access-related information (and some ugly patches that show what are typical users' troubles) (in polish)
Allen Browne's tips for Microsoft Access. Brief tutorials and help for beginners and database developers. Examples and solutions to implement. Bugs and traps to avoid. Sample code and utilities.
Short MSA Flash Tutorials from DataPig technologies - useful if you just want to realize what's up with a given MSA feature...
Apple WEBObjects Documentation - a possible source of in-depth knowledge how to design WEB-enabled database structure. Kexi has some similar design principles...
Apple Remote Desktop "Providing Application Access to SQL Data in Apple Remote Desktop 2" Using a PostgreSQL database to store system configuration information for desktop management.
UIML - a proposal of open standard user interface description language in XML, from OASIS; a converter from Kexi's forms XML format to this may be an idea, but we're not sure yet
Database Access chapter of StarOffice 8 Programming Guide for BASIC - interesting point of view, code samples, references to MS DAO in terms of API (Kexi/KexiDB developer docs could contain something similar)
MSA-OO.org Base FAQ - insteresting list of features supported and not supported by OO.org Base