oracl 和db2 常用语法比较: 1、取前N条记录 Oracle:Select * from TableName where rownum <= N; DB2:Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle:Select sysdate from dual; DB2:Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle:Select
Siemens Servo Motor selectpdf,Siemens Servo Motor selectSIEMENS
Servomotors Overvie
lew
Synchronous and asynchro-
nous servomotors for
Synchronous Servomotors
SIMOVERT MASTERDRIVES
Asynchronous Servomotors
Catalog DA653·2002
3
Supersedes: Catalog DA