DB2 Tips n Tricks Part 56 – How to Force Query to use IXSCAN over a TBSCAN DB2-LUW-ACADEMY 1 year ago DB2 Tips n Tricks Part 56 – How to Force Query to use IXSCAN over a TBSCAN How to Force Query to use IXSCAN over a TBSCAN Solution: Define Optimization Profile with guidelines accordingly. Happy Learning & Sharing