Testing server 'MySQL 3.23.8 alpha' at 2000-01-17 20:52:54 Testing of ALTER TABLE Testing with 1000 columns and 1000 rows in 20 steps Insert data into the table Time for insert (1000) 0 wallclock secs ( 0.08 usr 0.10 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for alter_table_add (992): 821 wallclock secs ( 0.23 usr 0.09 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for create_index (8): 11 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for drop_index (8): 10 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for alter_table_drop (496): 555 wallclock secs ( 0.10 usr 0.04 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Total time: 1397 wallclock secs ( 0.41 usr 0.23 sys + 0.00 cusr 0.00 csys = 0.00 CPU)