SQL and database management

SQL Language Tutorial (1)
SQL Language Tutorial (2)
SQL Reference
SQL Built-in Functions
SQL Language Tutorial       
Quick Reference Guide
Active-X Data Objects (ADO) Overview
ADO Object Model
ADO Object Descriptions
Using ADO with VB
Database Diagramming with Vis InterDev and SQL Server 7
Migrating Oracle to SQL Server
Migrating Access to SQL Server
Microsoft Jet SQL Quick Reference