Ponder Stibbons questions

Ponder Stibbons answers

• Joining 2 tables to calculate the time difference
• Oracle SQL, always show three lines in query with unions
• Oracle 10 how to update a table as a sum
• Oracle Query - Join with comma separated data
• SQL Oracle: Combining consecutive rows
• FORALL and sql%rowcount when FORALL is never entered
• Is there a non-ugly way to use a multi-column, multi-row table literal in an Oracle 11g query?
• How to merge consecutive date range Oracle
• SQL Challenge/Puzzle: How to merge nested ranges?
• Finding gaps in dates