A relational database and data warehouse architect with 30+ years experience. Have generated logical and physical designs, using both row organized and columnar style storage structures, for the space, financial and medical industries. Have knowledge primarily with Sybase (ASE and IQ), SQL Server, MySQL, PostgreSQL but have worked with DB2 and Oracle. Am adept at designing appropriately normalized models and for OLTP and star schemes / Kimble for DSS / Warehousing. Have considerable experience with problem diagnosis such as locking contention, SQL and instance optimization on most platforms.