DBs und SQL Tutorials

SQL Hosting
http://www.w3schools.com/sql/sql_hosting.asp


Data Types
http://www.w3schools.com/sql/sql_datatypes.asp


Oracle SQL
w3schools.com SQL Tutorial: http://www.w3schools.com/sql/default.asp

Oracle SQL Tutorial: http://www.datenbank-sql.de/index.htm

MS SQL
MS SQL Server Tutorial: http://www.microsoft.com/en-us/sqlserver/learning-center.aspx

DB2

IBM DB2 Tutorial: http://publib.boulder.ibm.com/infocenter/db2luw/v8/index.jsp?topic=/com.ibm.db2.udb.doc/core/c0008278.htm

Access