Automate INDEX rebuild based on fragmentation results?

Question

Is it possible to add a maintenance job to check indexes fragmentation. If greater than 50% then rebuild those indexes automatically ?

Index size can vary from 100MB to

Answer 1

You can use sys.dm_db_index_physical_stats to get information about your index fragmentation (see the avg_fragmentation_in_percent column). Then you can do an alter index with the rebuild clause whenever your threshold is reached.