I was trying to update approx 20,000 records in a table by using statements like this one, however, I got the message say 0 row(s) affected so it didn\'t work.<
0 row(s) affected
this is because your column name log_name should not be in ' quotes.
log_name
'
"log_name" LIKE "%PC01%" condition will always fail and zero rows will get updated, try this:
"log_name" LIKE "%PC01%"
UPDATE nc_files SET title ="Worklog details" WHERE log_name LIKE "%PC01%";