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alter-table-mysql-Linux_2.4.16_64GB_SMP_i686
上传用户：romrleung
上传日期：2022-05-23
资源大小：18897k
文件大小：1k
源码类别：
MySQL数据库
开发平台：
Visual C++
- Testing server 'MySQL 4.0.2 alpha' at 2002-05-20 15:30:52
- 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 ( 0.01 usr 0.02 sys + 0.00 cusr 0.00 csys = 0.03 CPU)
- Time for alter_table_add (992): 134 wallclock secs ( 0.12 usr 0.03 sys + 0.00 cusr 0.00 csys = 0.15 CPU)
- Time for create_index (8): 3 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
- Time for drop_index (8): 2 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
- Time for alter_table_drop (496): 102 wallclock secs ( 0.04 usr 0.02 sys + 0.00 cusr 0.00 csys = 0.06 CPU)
- Total time: 241 wallclock secs ( 0.17 usr 0.07 sys + 0.00 cusr 0.00 csys = 0.24 CPU)
