还是有很多的不同,转贴如下:http://www.bristle.com/tips/sql.htm#oracle%20tips
table of contents:
- oracle tips
- ms sql server tips
- differences between oracle and ms sql server
- concepts and terminology
- data types
- limits
- operators
- built-in functions
- differences in sql syntax
- differences in sql semantics
- differences in managing databases
- differences in managing database objects
- differences in managing users
- differences in integration with ms ado, rdo, etc.
- miscellaneous differences
- see also
details of tips:
oracle tips
sql tips
this section contains tips on standard sql (structured query language) statements in oracle.
select * and more
last updated: 6/6/1999
applies to: oracle 7.3, 8 (and probably earlier versions)
to select all columns of a table:
select * from table
however, to select all real columns, plus a pseudo-column like "user":
select table.*, user from table
the following does not work:
select *, user from table
--fred
materialized view
last updated: 1/7/2002