alter-table-oracle-linux_2.0.36_i686-cmp-mysql,oracle

来自「开启mysql的远程连接的方法 mysql-noinstall-5.1.6-al」· 36_I686-CMP-MYSQL,ORACLE 代码 · 共 15 行

Testing server 'Oracle 8.0.5.0.0' at 1999-03-25  0:39:16

Testing of ALTER TABLE
Testing with 254 columns and 1000 rows in 20 steps
Insert data into the table
Time for insert (1000) 3 wallclock secs ( 0.64 usr  0.10 sys +  0.00 cusr  0.00 csys =  0.00 CPU secs)

Time for alter_table_add (246):  8 wallclock secs ( 0.20 usr  0.03 sys +  0.00 cusr  0.00 csys =  0.00 CPU secs)

Time for create_index (8):  0 wallclock secs ( 0.02 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU secs)

Time for drop_index (8):  1 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU secs)

Total time: 12 wallclock secs ( 0.87 usr  0.13 sys +  0.00 cusr  0.00 csys =  0.00 CPU secs)