Data Model Design

I have over 25 years working in designing solutions for many different industries. We design for performance, efficiency and throughput

Development

I develop in all known databases: Oracle, Sybase, SQL Server, DB2, MySQL, PostgreSQL and SQLite.

I provide proactive monitoring of your systems, identifying issues before they become problems.

Data security and privacy are critical for any organisation. Are you secure?

Error Number:	1451
Error Code:	ER_ROW_IS_REFERENCED_2
SQL State:	23000
ODBC State:
Message:	Cannot delete or update a parent row: a foreign key constraint fails (%s)