jarlh questions

jarlh answers

• Truncate SQL varchar column
• SQL Query that gives me last column with a value in it
• SQL select rows, where column value is unique (only appears once)
• How to get multiple value in one row in postgreSQL?
• Matching Exactly all values in IN clause
• Unexpected results from SELECT FROM WHERE X NOT IN Y
• How to convert only first letter uppercase without using Initcap in Oracle?
• Checking if booking is possible in SQL (Postgresql)
• has_many with sum active record
• SQL - How to Order By in UNION query