Rob Paller questions

Rob Paller answers

• How does a WHERE clause work when tables are joined to themselves?
• Teradata: How can I drop a foreign key constraint from a table?
• Query for counting number of employees in district and region
• Finding Start and end Date for a week given the week of a year in Teradata (SQL)
• How can I load unsupported characters into a Teradata Unicode column?
• Why doesn't Teradata identity column increment by 1?
• Compare 3 Consecutive rows in a table
• RowID in Teradata
• Unnecessary IO and Product Join Indicators
• Count the number of 7AM or 7PM occurrences between two datetimes