nnichols questions

nnichols answers

• mysql query two tables, retrieve messages for each conversation
• mysql datetime range select
• Mysql date interval
• Getting the missing dates from a sql table
• Delete duplicate entries while keeping one
• Remove Duplicate Records Except One Record
• Checking for maximum length of consecutive days which satisfy specific condition
• Transpose mysql query rows into columns
• How can I optimize MySQL query for update?
• Innodb & Temporary tables