USE A SELECT BY ATTRIBUTES "TEST"Use a select by attributes "Test" = 'A' OR "TEST"'a' or "Test" = 'B' THEN USE THE MERGE TOOL THIS ALLOWS YOU TO ESSENTIALLY SELCT OUT TO A NEW FEATURE CLASS AND DROP ANY EXTRA FIELDS TOO'b'
THE DELETE TOOL IS SLOWThen use the merge tool. This allows you to essentially select out to a new feature class and drop any extra fields too.
The delete tool is slow, THE DELETE FIELD IS SLOWthe delete field is slow, AND EDIT SESSIONS CAN BE A PAINand edit sessions can be a pain.