Testing server 'MySQL 3.23.29a gamma' at 2000-12-17 1:09:06 Testing of ALTER TABLE Testing with 1000 columns and 1000 rows in 20 steps Insert data into the table Time for insert (1000) 1 wallclock secs ( 0.07 usr 0.08 sys + 0.00 cusr 0.00 csys = 0.15 CPU) Time for alter_table_add (992): 516 wallclock secs ( 0.09 usr 0.10 sys + 0.00 cusr 0.00 csys = 0.19 CPU) Time for create_index (8): 8 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for drop_index (8): 7 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for alter_table_drop (496): 354 wallclock secs ( 0.06 usr 0.06 sys + 0.00 cusr 0.00 csys = 0.12 CPU) Total time: 886 wallclock secs ( 0.22 usr 0.24 sys + 0.00 cusr 0.00 csys = 0.46 CPU)