Olivier Coilland questions

Olivier Coilland answers

• MySQL: Can I do a left join and pull only one row from the join table?
• Tricky Query: Forecasting Dates
• Caused by: org.springframework.context.NoSuchMessageException: No message found under code
• What is the right syntax of IF statement in MySQL?
• How to set Author name to excel file using poi
• mysql group_concat in subquery returns more than one row
• Get index direction from information schema in MySQL