ACM SIGMOD Online - ACM's Special Interest Group on Management Of Data.
AutoMed Data Integration Project - Documentation and software from the AutoMed project, which provides the first implementation of the both as view approach to data integration
The Concept-Oriented Portal - Provides information on the concept-oriented paradigm including the next generation concept-oriented database model (CODBM)
Data Mining Resources - Data Mining Resources Web Mining Resources Knowledge Discovery Resources
Data Modelling - Explains the value of data modelling in an application analysis project.
Data Warehousing and OLAP - Papers on data warehousing and online analytical processing available online.
Database DebunkIing - Dedicated to dispelling fallacies and misconceptions prevailing in the database industry. Find publications, educational information and links.
Database Management Systems - Computer Science course for database management systems. Has information about SQL and Relational Algebra. A Database-I course for graduates of the masters program in computer science
DBLP Bibliography - Bibliography primarily focused on DataBase systems and Logic Programming
DBWORLD - An ACM SIGMOD discussion email list announcing conferences, jobs, books, software and grants. Posting requires (free) registration.
Interval Skip Lists - Data structures for finding all intervals that overlap a point, applied to active databases. Research paper and source code.
Temporal Database Concepts - Defines a wide range of terms and concepts specific to the temporal database research community.
VLDB Endowment Inc. - Very Large Data Base Endowment Inc.: a non-profit organisation for promoting and exchanging scholarly work in databases and related fields.
Databases: Past, Present, and Future - Explores how and why databases originated, where they are today, and where they may be headed. Focuses on Relational Database history.