What is the difference between UNION and UNION ALL? Write the syntax for each.
Answer to relevant QuestionsWhy does the order of the operands (tables) matter in a MINUS query but not in a UNION query?What is dynamic SQL, and how does it differ from static SQL?Write the query that will show only the duplicate customer records.Write a procedure to delete an invoice given the invoice number as a parameter. Name the procedure prc_inv_delete. Test the procedure by deleting invoices 8005 and 8006.Create a trigger named trg_char_hours that will automatically update the AIRCRAFT table when a new CHARTER row is added. Use the CHARTER table’s CHAR_HOURS_FLOWN to update the AIRCRAFT table’s AC_TTAF, AC_TTEL, and ...
Post your question