Martin Schapendonk questions

Martin Schapendonk answers

• need advice on mysql normalization and php class structure
• Oracle update production database
• RPM-GPG-KEY Error While Installing Oracle Database 11g Release 2 (11.2.0.1.0) [closed]
• How can I prevent checkout of certain directories in SVN?
• RESTRICT_REFERENCES and triggers
• Oracle Sql Loader skip option for multiple infiles
• SQL Return Null if One Column is Null (Opposite of COALESCE())
• Variable number of arguments in PL/SQL stored procedure
• Default value for paramteters not passed SQLPlus script
• Create folder with batch but only if it doesn't already exist