Filipe Silva questions

Filipe Silva answers

• Which customer has placed most orders. SQL query
• Select rows with column with min value
• Create mozilla extension to display a popup and iframe in it
• How to reverse a MySQL result
• What does ")x" mean in a query?
• REST Console Extension in Chrome
• SQL Group By - different colors
• Query to check if primary key exists on the table in informix
• SQL Filter by count of records
• How can i create a trigger to verify if a record exists on another table?