OracleÖÐTO_DATE¸ñʽ
TO_DATE¸ñʽ(ÒÔʱ¼ä:2007-11-02 13:45:25ΪÀý)
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 ÏÔʾֵ:ÐÇÆÚÎå,ÈôÊÇÓ
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9CREATE TABLESPACE data01
10DATAFILE '/ora ......
OracleÊý¾Ý¿âÊÇÒ»ÖÖ´óÐ͹ØϵÐ͵ÄÊý¾Ý¿â£¬ÎÒÃÇÖªµÀµ±Ê¹ÓÃÒ»¸öÊý¾Ý¿âʱ£¬½ö½öÄܹ»¿ØÖÆÄÄЩÈË¿ÉÒÔ·ÃÎÊÊý¾Ý¿â£¬ÄÄЩÈ˲»ÄÜ·ÃÎÊÊý¾Ý¿âÊÇÎÞ·¨Âú×ãÊý¾Ý¿â·ÃÎÊ¿ØÖƵġ£DBAÐèҪͨ¹ýÒ»ÖÖ»úÖÆÀ´ÏÞÖÆÓû§¿ÉÒÔ×öʲô£¬²»ÄÜ×öʲô£¬ÕâÔÚOracleÖпÉÒÔͨ¹ýΪÓû§ÉèÖÃȨÏÞÀ´ÊµÏÖ¡£È¨ÏÞ¾ÍÊÇÓû§¿ÉÒÔÖ´ÐÐijÖÖ²Ù×÷µÄȨÀû¡£¶ø½ÇÉ«ÊÇΪÁË·½±ãDBA¹Ü ......
When queried, virtual columns appear to be normal table columns, but
their values are derived rather than being stored on disc. The syntax
for defining a virtual column is listed below.
column_name [datatype] [GENERATED ALWAYS] AS (expression) [VIRTUAL]
If the datatype is omitted, it is determin ......
(1)SEQNAME.NEXTVALÀïÃæµÄÖµÈçºÎ¶Á³öÀ´£¿¿ÉÒÔÖ±½ÓÔÚinsert into test values(SEQNAME.NEXTVAL) ÊÇ¿ÉÒÔÓà ÕâÑù£º
SELECT tmp#_seq.NEXTVAL
INTO id_temp
from DUAL; È»ºó¿ÉÒ ......
begin
sys.dbms_job.submit(job => :job,
what => 'p_apip_price_send;',
&nbs ......