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Year:
yy two digits Á½Î»Äê ÏÔʾֵ:07
yyy three digits ÈýλÄê ÏÔʾֵ:007
yyyy four digits ËÄλÄê ÏÔʾֵ:2007
Month:
mm number Á½Î»Ô ÏÔʾֵ:11
mon abbreviated ×Ö·û¼¯±íʾ ÏÔʾֵ:11ÔÂ,ÈôÊÇÓ¢ÎÄ°æ,ÏÔʾnov
month spelled out ×Ö·û¼¯±íʾ ÏÔʾֵ:11ÔÂ,ÈôÊÇÓ¢ÎÄ°æ,ÏÔʾnovember
Day:
dd number µ±Ôµڼ¸Ìì ÏÔʾֵ:02
ddd number µ±ÄêµÚ¼¸Ìì ÏÔʾֵ:02
dy abbreviated µ±Öܵڼ¸Ìì¼òд &
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Oracle9i Database Release 2 Enterprise/Standard/Personal Edition for Windows NT/2000/XP
http://download.oracle.com/otn/nt/oracle9i/9201/92010NT_Disk1.zip
http://download.oracle.com/otn/nt/oracle9i/9201/92010NT_Disk2.zip
http://download.oracle.com/otn/nt/oracle9i/9201/92010NT_Disk3.zip
Oracle9i ......
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create table stud(
sid int,
sname varchar2(50)
)
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&n ......
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ÒëÕߣºÂí³ÝÜÈ | Á´½Ó£ºhttp://www.dbabeta.com/2010/oracle-sql-server-comparison-i.html
×÷ÕߣºSadequl Hussain | ÔÎÄ£ºhttp://www.sql-server-performance.com/articles/dba/oracle_sql_server_comparison_p1.aspx
Ò» ......
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³ýÁËÌرð˵Ã÷µÄÖ®Íâ,ÕâЩº¯Êý´ó²¿·Ö·µ» ......
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Example:
create table courses(
cid varchar(20) not null primary key,
cname varchar(20) not null,
ctype integer,
ctime date DEFAULT SYSDATE,
cscore float not null
)
insert into courses values('ss01','.NET',0,TO_DATE('2009-8-28','yyyy-mm-dd'),94)
insert into course ......