alter-table-sybase_odbc-nt_4.0-cmp-db2,informix,ms-sql,mysql,oracle,solid,sybase

来自「开启mysql的远程连接的方法 mysql-noinstall-5.1.6-al」· 0-CMP-DB2,INFORMIX,MS-SQL,MYSQL,ORACLE,SOLID,SYBASE 代码 · 共 15 行

Testing server 'Sybase enterprise 11.5 NT' at 1998-08-27  2:08:17

Testing of ALTER TABLE
Testing with 16 columns and 1000 rows in 20 steps
Insert data into the table
Time for insert (1000)11 secs (11.30 usr  0.00 sys = 11.30 cpu)

Time for alter_table_add (8):  1 secs ( 0.14 usr  0.00 sys =  0.14 cpu)

Time for create_index (8):  0 secs ( 0.41 usr  0.00 sys =  0.41 cpu)

Time for drop_index (8):  0 secs ( 0.07 usr  0.00 sys =  0.07 cpu)

Total time: 12 secs (12.39 usr  0.00 sys = 12.39 cpu)