Abhay questions

Abhay answers

• Select highest record of type per foreign key
• Calculate age in months and years OR format seconds as years and months?
• MySQL UNION 2 queries containing ORDER BYs
• Update multiple rows for 2 columns in MySQL
• OOP PHP user class (usercake) not adding to database
• MySQL/InnoDB Plugin: Will NULL values for VARCHAR fields still take up storage spaces?
• How to subtract a query result from another query result in MYSQL
• Check if mySQL record added in the last x seconds
• How to query a MySql table to display the root and its subchild.
• Case sensitive uniqueness and case insensitive search