锘??xml version="1.0" encoding="utf-8" standalone="yes"?>7777久久亚洲中文字幕蜜桃,亚洲免费视频观看,91亚洲一区二区在线观看不卡http://www.tkk7.com/produ/category/54761.html<h2>瑙佽瘉瀛︿範鐨勮建榪癸紝璁板綍闂厜鐨勬兂娉?lt;/h2>zh-cnMon, 16 May 2016 14:14:49 GMTMon, 16 May 2016 14:14:49 GMT60oracle_閿佹満鍒?/title><link>http://www.tkk7.com/produ/archive/2015/08/04/430527.html</link><dc:creator>閮借緝鐦?/dc:creator><author>閮借緝鐦?/author><pubDate>Tue, 04 Aug 2015 07:37:00 GMT</pubDate><guid>http://www.tkk7.com/produ/archive/2015/08/04/430527.html</guid><wfw:comment>http://www.tkk7.com/produ/comments/430527.html</wfw:comment><comments>http://www.tkk7.com/produ/archive/2015/08/04/430527.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/produ/comments/commentRss/430527.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/produ/services/trackbacks/430527.html</trackback:ping><description><![CDATA[娣樺埌涓綃囧ソ鏂囩珷錛屾爣璁頒竴涓?br /><br /><a >http://www.cnblogs.com/gengyulong/archive/2011/04/07/2007586.html<br /><br /></a><img src ="http://www.tkk7.com/produ/aggbug/430527.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/produ/" target="_blank">閮借緝鐦?/a> 2015-08-04 15:37 <a href="http://www.tkk7.com/produ/archive/2015/08/04/430527.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>oracle_casewhen璇彞鍜宒ecode鍑芥暟http://www.tkk7.com/produ/archive/2015/08/01/430528.html閮借緝鐦?/dc:creator>閮借緝鐦?/author>Sat, 01 Aug 2015 07:43:00 GMThttp://www.tkk7.com/produ/archive/2015/08/01/430528.htmlhttp://www.tkk7.com/produ/comments/430528.htmlhttp://www.tkk7.com/produ/archive/2015/08/01/430528.html#Feedback0http://www.tkk7.com/produ/comments/commentRss/430528.htmlhttp://www.tkk7.com/produ/services/trackbacks/430528.htmlcasewhen璇彞鍜宒ecode鍑芥暟鐨勪綔鐢ㄥ緢鐩鎬技錛岄兘鍙互瀹炵幇瀵規煡璇㈢殑緇撴灉榪涜鍒ゆ柇錛屼粠鑰岃繑鍥炴寚瀹氱殑鍊?/div>
case when
鐢ㄦ硶紺轟緥1錛?/div>
    case 鍒楀悕
    when 鍊?then
    …
    [else 鍊糫
    end [as 鍒悕]
瀹炰緥錛?/div>
    case status
    when 1 then
    ‘閿佸畾’
    when 2 then
    ‘鍏抽棴’
    else
    ‘姝e父’
    end as 鐘舵?/div>
鐢ㄦ硶紺轟緥2錛?/div>
    case
    when 琛ㄨ揪寮?/div>
    then 鍊?/div>
    …
    [else 鍊糫
    end
瀹炰緥錛?/div>
    case when age>18 then ‘鎴愬勾’
    when age < 18 then ‘鏈垚騫?#8217;
    else ‘涓嶅悎娉?#8217;
    end
decode
鐢ㄦ硶紺轟緥錛?/div>
    decode(鍒楀悕錛屽?錛岀粨鏋?錛屽?錛岀粨鏋?… 榛樿鍊鹼級
瀹炰緥錛?br />    decode(class,’1′,‘涓鐝?#8217;,’2′,’浜岀彮’,’涓夌彮’)


]]>oracle_鍩虹鐭ヨ瘑鏁寸悊http://www.tkk7.com/produ/archive/2015/07/28/430519.html閮借緝鐦?/dc:creator>閮借緝鐦?/author>Tue, 28 Jul 2015 03:04:00 GMThttp://www.tkk7.com/produ/archive/2015/07/28/430519.htmlhttp://www.tkk7.com/produ/comments/430519.htmlhttp://www.tkk7.com/produ/archive/2015/07/28/430519.html#Feedback0http://www.tkk7.com/produ/comments/commentRss/430519.htmlhttp://www.tkk7.com/produ/services/trackbacks/430519.html鐢ㄦ埛

涓錛氱郴緇熺敤鎴鳳細
1錛歴ys錛宻ystem錛宻ys鐨勬潈闄愬ぇ浜巗ystem
2錛歴ysman
3錛歴cott錛岄粯璁ゅ瘑鐮侊細tiger
浣跨敤鑷甫sql/plus鐧婚檰錛屾牸寮忥細[username/psaaword] @鏈嶅姟鍚?as 瑙掕壊[sysdba/sysoper]

浜岋細鐢ㄦ埛鐨勫垏鎹?/div>
褰撳湪sql/plus涓櫥褰曚箣鍚庯紝浣跨敤connect 鐢ㄦ埛鍚?瀵嗙爜 鏉ュ垏鎹㈢敤鎴?/div>

涓夛細鏌ョ湅褰撳墠鐢ㄦ埛
show user錛屽懡浠よ鍙ュ彲浠ヤ笉娣誨姞鍒嗗彿錛屼箣鍚庝細鏄劇ず褰撳墠宸茬櫥褰曠殑鐢ㄦ埛淇℃伅錛岄櫎浜嗚繖縐嶆柟寮忥紝榪樺彲浠ヤ嬌鐢ㄦ暟鎹簱鑷甫鐨勬暟鎹瓧鍏告潵鏌ョ湅淇℃伅
*鏁版嵁瀛楀吀灝辨槸鏁版嵁搴撹嚜甯︾殑琛紝鍙互鐩存帴鏌ョ湅緇撴瀯鍜屾暟鎹?/strong>
dba_users鍜寀ser_users錛屾煡鐪嬬郴緇熺敤鎴?/div>

scott鐢ㄦ埛
榛樿鎯呭喌涓嬫槸琚攣瀹氱殑錛屽惎鐢ㄧ敤鎴?/div>
alter user 鐢ㄦ埛鍚?account unlock


琛ㄧ┖闂?/strong>
琛ㄧ┖闂村氨鏄暟鎹簱瀛樻斁鏁版嵁鐨勯昏緫鍖哄煙

綾誨瀷錛?/div>
姘鎬箙琛ㄧ┖闂達細涓鑸瓨鏀捐〃錛岃鍥劇瓑鎸佷箙鍐呭
涓存椂琛ㄧ┖闂達細瀛樻斁鏁版嵁搴撴墽琛岃繃紼嬩腑鐨勪復鏃舵搷浣?/div>
UNDO琛ㄧ┖闂達細瀛樻斁鍘嗗彶鏁版嵁錛屼竴鑸瓨鏀句簨鐗╂彁浜や箣鍓嶇殑鍘嗗彶鏁版嵁

鏁版嵁瀛楀吀
dba_tablespaces鎴栬卽ser_tablespaces
鍓嶈呭搴旂郴緇熺鐞嗗憳綰у埆鐢ㄦ埛鐨勮〃絀洪棿錛屽悗鑰呭搴斾竴鑸敤鎴風殑琛ㄧ┖闂達紝鏌ョ湅鐢ㄦ埛鐨勯粯璁よ〃絀洪棿
闇瑕佸湪dba_users鎴栬卽ser_users琛ㄤ腑鏌ョ湅

淇敼琛ㄧ┖闂?/div>
alter user 鐢ㄦ埛鍚?default/temporary tablespaces 鏂扮殑琛ㄧ┖闂村悕

鍒涘緩琛ㄧ┖闂?/div>
姘鎬箙琛ㄧ┖闂?create [TEMPORARY] tablespace 琛ㄧ┖闂村悕 datafile ‘鏂囦歡鍚?#8217; size XX
榛樿鍒涘緩姘鎬箙琛ㄧ┖闂達紝娣誨姞[TEMPORARY]閫夐」錛屽垯浼氱敓鎴愪復鏃惰〃絀洪棿
紺轟緥錛氬垱寤烘案涔呰〃絀洪棿create tablespace test_p1 datafile ‘test_p1.dbf’ size 10M
紺轟緥錛氬垱寤轟復鏃惰〃絀洪棿create TEMPORARY tablespace test_t1 datafile ‘test_t1.dbf’ size 10M

鏌ョ湅姘鎬箙琛ㄧ┖闂?/div>
鏁版嵁瀛楀吀dba_data_files錛屾煡鐪嬫暟鎹枃浠?/div>

鏌ョ湅涓存椂琛ㄧ┖闂?/div>
鏁版嵁瀛楀吀dba_temp_files錛屾煡鐪嬫暟鎹枃浠?/div>

淇敼琛ㄧ┖闂寸姸鎬?/div>
鐘舵侊細鑱旀満/鑴辨満錛岃仈鏈烘槸榛樿鐘舵侊紝鑴辨満鐘舵佺殑琛ㄧ┖闂翠笉鍙互浣跨敤
alter tablespace 琛ㄧ┖闂村悕 online/offline
鍙互閫氳繃dba_tablespaces鎴栬卽ser_tablespaces鏁版嵁瀛楀吀鐨剆tatus瀛楁紜琛ㄧ┖闂寸姸鎬?/div>
鐘舵侊細鍙/璇誨啓錛岄粯璁ゆ槸鍙互璇誨啓錛岃淇敼鍙互璇ョ姸鎬侊紝璇ヨ〃絀洪棿蹇呴』澶勪簬鑱旀満鐘舵?/div>
alter tablespace 琛ㄧ┖闂村悕 read only/read write

淇敼鏁版嵁鏂囦歡
鍦ㄨ〃絀洪棿涓坊鍔?鍒犻櫎鏁版嵁鏂囦歡
alter tablespace 琛ㄧ┖闂村悕 add/drop datafile ‘鏂囦歡鍚?#8217; [size XX]

鍒犻櫎琛ㄧ┖闂?/div>
drop tablespace 琛ㄧ┖闂村悕錛岃閫夐」鍙槸鍒犻櫎琛ㄧ┖闂達紝濡傛灉闇瑕佸悓鏃跺垹闄よ〃絀洪棿鍖呭惈鐨勬枃浠訛紝
閭d箞闇瑕佸湪鍛戒護鏈鍚庢坊鍔爄nculding contents


鏁版嵁琛?/strong>
鏁版嵁綾誨瀷

1錛氬瓧絎﹀瀷
char錛坣錛夛細鍥哄畾闀垮害錛屾渶闀?000
nchar錛坣錛夛細鍥哄畾闀垮害錛屾寜鐓nicode緙栫爜瀛樻斁錛屾渶闀?000錛岄傜敤浜庡瓨鍌ㄦ眽瀛?/div>
varchar2錛?錛夛細鍙橀暱瀛楃綾誨瀷錛岃妭鐪佺┖闂達紝鏈闀?000
nvarchar2錛?錛夛細鍙橀暱瀛楃綾誨瀷錛岃妭鐪佺┖闂達紝鏀寔unicode錛屾渶闀?000

2錛氭暟鎹瀷
number錛坧錛宻錛夛細p浠h〃鏈夋晥鏁板瓧錛宻浠h〃灝忔暟浣嶆暟
s鍙鍙礋
float錛坣錛夛細涓昏瀛樺偍浜岃繘鍒舵暟瀛?/div>

3錛涙棩鏈熺被鍨?/div>
date錛氱簿紜埌縐掞紝宸茬粡鍩烘湰婊¤凍鏃ュ父浣跨敤
timestamp錛氱簿紜埌灝忔暟縐?/div>

4錛氬叾浠?/div>
blob錛氬瓨鏀?G鏁版嵁錛屼互浜岃繘鍒跺艦寮忓瓨鍌?/div>
clob錛屽瓨鏀?G鏁版嵁錛屼互瀛楃涓插艦寮忓瓨鍌?/div>
瀵硅〃鐨勫熀鏈搷浣?/div>

鍒涘緩琛?/strong>
鍩烘湰璇硶錛?/div>
create table 琛ㄥ悕
(
鍒楀悕 鏁版嵁綾誨瀷,…
)

淇敼琛?/strong>
1錛氭坊鍔犲瓧孌?/div>
璇硶
alter table 琛ㄥ悕 add 瀛楁鍚?鏁版嵁綾誨瀷
紺轟緥
alter table user add cellphone number(11,0)

2錛氫慨鏀瑰瓧孌電被鍨?淇敼鏃惰〃涓笉鍙互瀛樻斁鏁版嵁)
璇硶
alter table 琛ㄥ悕 modify 瀛楁鍚?鏁版嵁綾誨瀷
alter table user modify cellphone char(11)

3錛氬垹闄ゅ瓧孌?/div>
璇硶
alter table 琛ㄥ悕 drop column 瀛楁鍚?/div>

4錛氫慨鏀瑰瓧孌靛悕
璇硶
alter table 琛ㄥ悕 rename column 鏃у瓧孌靛悕 to 鏂板瓧孌靛悕
5錛氫慨鏀硅〃鍚?/div>
璇硶
rename 鏃ц〃鍚?to 鏂拌〃鍚?/div>

5錛氬垹闄よ〃
鍒犻櫎琛ㄦ暟鎹紙鎴柇涓涓〃錛?/div>
truncate table 琛ㄥ悕
鍒犻櫎琛ㄧ粨鏋勮繛鍚屽叾鏁版嵁
drop table 琛ㄥ悕

鎿嶄綔琛ㄤ腑鐨勬暟鎹?/strong>
1錛氭柊澧炶褰?/div>
insert into 琛ㄥ悕(鍒楀悕1,鍒楀悕2,鍒楀悕3…) values(鍊?錛屽?錛屽?…)
鍒楀悕鍜屽奸渶瑕佷竴涓瀵瑰簲錛屽鏋滀笉鍐欏垪鍚嶏紝閭d箞浠h〃涓烘墍鏈夊瓧孌墊坊鍔犲?/div>
*sysdate鍏抽敭瀛楋紝浠h〃褰撳墠鏃ユ湡
*鎻掑叆瀛楃涓茬殑鏃跺欙紝闇瑕佹坊鍔犲崟寮曞彿

2錛氳瀹氶粯璁ゅ?/div>
鍦ㄥ垱寤鴻〃鐨勬椂鍊欙紝鍙互涓烘寚瀹氬瓧孌佃瀹氶粯璁ょ殑鍊?/div>
create table 琛ㄥ悕
(
id number(6,0),
reg_date date default sysdate
)

3錛氫慨鏀歸粯璁ゅ?/div>
alter table user modify cellphone default ”;

4錛氬鍒惰〃
1)錛氬垱寤鴻〃鏃跺氨澶嶅埗錛屽鍒剁粨鏋勫拰鏁版嵁
create table 鏂板緩琛ㄨ〃鍚?as select 鍒?錛屽垪2…|* from 鎵瑕佸鍒惰〃鐨勮〃鍚?/div>
2)錛氬湪鏂板鏃舵坊鍔犳潵鑷叾浠栬〃鐨勫唴瀹?/div>
insert into 琛ㄥ悕(鍒?錛屽垪2…) select 鍒?錛屽垪2…|* from 鎵瑕佸鍒惰〃鐨勮〃鍚?/div>
鍜屾柊澧炰竴鏉¤褰曠被浼鹼紝浣嗘槸values鍏抽敭瀛楄鏇挎崲鎴愮洰鏍囪〃鐨勫垪錛屾暟鎹潵婧愪笉鏄墜鍔ㄦ寚瀹氾紝鑰屾槸鏉ヨ嚜鍏朵粬琛?/div>

5錛氫慨鏀硅〃鏁版嵁
update 琛ㄥ悕 set 鍒?=鍊?錛屽垪2=鍊?… [where 鏉′歡…]
鏃犳潯浠舵洿鏂幫紝涔熷氨鏄叏琛ㄦ洿鏂?/div>
update user set username=’new_name’錛堟洿鏂扮殑鏃跺欒娉ㄦ剰錛屽垪鍜屽肩殑綾誨瀷瑕佸尮閰嶏紝鍏ㄨ〃鏇寸粏鏄湁椋庨櫓鐨勬搷浣滐紝璋ㄦ厧鎿嶄綔錛?/div>
鏈夋潯浠舵洿鏂?/div>
update user set username=’other_name’ where id=123456

6錛氬垹闄よ〃鏁版嵁
delete from 琛ㄥ悕 [where 鏉′歡…]
鏃犳潯浠跺垹闄?/div>
delete from user錛堝垹闄ゅ叏琛ㄦ暟鎹紝浣嗘槸鏁堢巼涓婁笉濡倀runcate鎿嶄綔蹇級
鏉′歡鍒犻櫎
delete from user where id=123456


綰︽潫
浣滅敤錛氭潵瀹氫箟璁板綍涓暟鎹殑瑙勫垯錛屽摢浜涘瓧孌靛繀欏昏緭鍏ワ紝瀛楁鐨勫唴瀹廣備互姝ゆ潵淇濇寔鏁版嵁鐨勫畬鏁存?/div>

1錛氶潪絀虹害鏉?/div>
鍒涘緩琛ㄦ椂娣誨姞璇ョ害鏉?/div>
create table 琛ㄥ悕
(
id number(6,0) NOT NULL,
)
*鍙兘鍦ㄥ垪綰ц緗紝涓嶈兘鍦ㄨ〃綰ц緗紝騫朵笖闈炵┖綰︽潫鏄病鏈夌害鏉熷悕縐?/div>
淇敼琛ㄧ殑綰︽潫
alter table 琛ㄥ悕 modify 鍒楀悕 綾誨瀷 NOT NULL錛屼絾鏄鏋滆〃涓殑鏁版嵁瀛樺湪榪濆弽闈炵┖綰︽潫鐨勮褰曪紝閭d箞浼氫慨鏀瑰け璐?/div>
鍘婚櫎闈炵┖綰︽潫
alter table 琛ㄥ悕 modify 鍒楀悕 綾誨瀷 NULL

2錛氫富閿害鏉?/div>
涓婚敭綰︽潫錛氱‘淇濊褰曞湪琛ㄤ腑鐨勫敮涓鎬э紝涓婚敭鍙互鐢變竴涓垨鑰呭涓瓧孌電粍鎴愶紝騫朵笖涓涓〃涓彧鑳芥湁涓涓富閿害鏉?/div>

鍒涘緩琛ㄦ椂娣誨姞璇ョ害鏉燂紝鍒楃駭
create table 琛ㄥ悕
(
id number(6,0) PRIMARY KEY,
);

鍒涘緩琛ㄧず娣誨姞璇ョ害鏉燂紝琛ㄧ駭
create table 琛ㄥ悕
(
id number(6,0),
username varchar2(50),
constraint pk primary key(id,username)
);
*浣跨敤涓涓瓧孌典綔涓轟富閿棤闇鎸囧畾涓婚敭鐨勫悕瀛楋紝鑰屽涓富閿渶瑕佹寚瀹氫富閿殑鍚嶇О

鏌ョ湅綰︽潫
鐢ㄥ埌浜嗕竴涓暟鎹瓧鍏竨ser_constraint
select constraint_name from user_constraint where table_name=’XXX’
鍦ㄤ慨鏀硅〃鏃舵坊鍔犺綰︽潫
alter table 琛ㄥ悕 add constraint 涓婚敭鍚?primary key(鎸囧畾涓轟富閿殑鍒?
淇敼綰︽潫鍚嶇О
alter table 琛ㄥ悕 rename constraint 鏃у悕瀛?to 鏂板悕瀛?/div>

3錛氬閿害鏉?/div>
鍒涘緩琛ㄧ殑鏃跺欐坊鍔犲閿叧鑱旓紝鍒楃駭
create table 琛ㄥ悕(浠庤〃)
(
id number(6,0) primary key,
username varchar2(50),
type_id varchar2(5) references 琛ㄥ悕(涓昏〃)(涓昏〃瀛楁錛屽彧鑳芥槸涓婚敭)
)
鎴栬咃紝琛ㄧ駭
create table 琛ㄥ悕(浠庤〃)
(
id number(6,0) primary key,
username varchar2(50),
constraint 澶栭敭鍚?foreign key(浠庤〃澶栭敭鍒楀悕) reference 涓昏〃鍚?涓昏〃鍒楀悕)[ON DELETE CASCADE]錛屽彲閫夐」鏄駭鑱斿垹闄わ紝涓昏〃璁板綍鍒犻櫎錛屼粠琛ㄧ浉搴旇褰曚篃浼氳鍒犻櫎)
*澶栭敭鍙兘鏉ヨ嚜涓昏〃鐨勪富閿紙鎴栬呮槸null錛夛紝騫朵笖綾誨瀷蹇呴』涓鑷?/strong>

鍦ㄤ慨鏀規椂娣誨姞澶栭敭綰︽潫
alter table user add constraint fk_id foreign key(id) references user_info(id)[ON DELETE CASCADE]

4錛氬敮涓綰︽潫
浣滅敤錛氫繚璇佸瓧孌靛肩殑鍞竴鎬?/div>
鍜屼富閿殑鍖哄埆錛氬厑璁哥┖鍊鹼紝鍏佽鏈夊涓?/div>
鍒涘緩琛ㄧ殑鏃跺欐坊鍔犲敮涓綰︽潫錛屽垪綰?/div>
create table 琛ㄥ悕(浠庤〃)
(
id number(6,0) primary key,
username varchar2(50),
type_id varchar2(5) UNIQUE
)
鎴栬咃紝琛ㄧ駭
create table 琛ㄥ悕
(
id number(6,0) primary key,
username varchar2(50),
constraint 鍞竴綰︽潫鍚?unique(鍒楀悕);
)
*姣忎釜鍞竴綰︽潫閮芥湁鑷繁鐨勫悕瀛楋紝涓嶅彲浠ヨ仈鍚堝涓瓧孌佃緗敮涓綰︽潫

鍦ㄤ慨鏀硅〃鏃舵坊鍔犲敮涓綰︽潫
alter table 琛ㄥ悕 add constraint 綰︽潫鍚?unique(id )

5錛氭鏌ョ害鏉?/div>
浣滅敤錛氶檺鍒舵暟鎹殑褰曞叆錛屽悓涓涓〃涓彲浠ュ瓨鍦ㄥ涓?/div>
create table 琛ㄥ悕錛屽垪綰?/div>
(
id number(6,0) primary key,
username varchar2(50),
age number(3,0) check(age >0)
)
鎴栬咃紝琛ㄧ駭
create table 琛ㄥ悕
(
id number(6,0) primary key,
username varchar2(50),
age number(3,0),
constraint 媯鏌ョ害鏉熷悕 check(age >0)錛?/div>
)
鍦ㄤ慨鏀硅〃鏃舵坊鍔犳鏌ョ害鏉?/div>
alter table 琛ㄥ悕 add constraint 綰︽潫鍚?check(salary>0)

6錛氱鐢?鍚敤鍜屽垹闄ょ害鏉熺殑鏂規硶
鍚敤/紱佺敤綰︽潫
alter table 琛ㄥ悕 disable|enable constraint 綰︽潫鍚?/div>

7錛氬垹闄ょ害鏉?/div>
1錛?/div>
alter table 琛ㄥ悕 drop constraint 綰︽潫鍚?/div>
2錛?/div>
alter table 琛ㄥ悕 drop primary key[cascade] 綰︽潫鍚嶏紝娣誨姞鍙夐」錛岃繛鍚屽閿殑綰ц仈鍒犻櫎


]]>oracle_鍑芥暟over(Partition by鈥? http://www.tkk7.com/produ/archive/2015/07/24/430518.html閮借緝鐦?/dc:creator>閮借緝鐦?/author>Fri, 24 Jul 2015 02:53:00 GMThttp://www.tkk7.com/produ/archive/2015/07/24/430518.htmlhttp://www.tkk7.com/produ/comments/430518.htmlhttp://www.tkk7.com/produ/archive/2015/07/24/430518.html#Feedback0http://www.tkk7.com/produ/comments/commentRss/430518.htmlhttp://www.tkk7.com/produ/services/trackbacks/430518.html欏圭洰涓嚭鐜拌繃row_number() over(partition by b.seriesmark order by b.seriesmark)鐨勭敤娉曪紝姣旇緝鍥版儜錛屼笅闈㈣繖綃囨枃绔犺В鍐充簡鎴戠殑闂錛屾敹褰曚竴涓嬨?br />
鎴蟲垜


]]>oracle_鏌ヨ鏃ユ湡鏄惁榪囨湡錛堝ぇ浜庣瓑浜庢煇鏃ユ湡錛?/title><link>http://www.tkk7.com/produ/archive/2015/03/24/423786.html</link><dc:creator>閮借緝鐦?/dc:creator><author>閮借緝鐦?/author><pubDate>Tue, 24 Mar 2015 06:35:00 GMT</pubDate><guid>http://www.tkk7.com/produ/archive/2015/03/24/423786.html</guid><wfw:comment>http://www.tkk7.com/produ/comments/423786.html</wfw:comment><comments>http://www.tkk7.com/produ/archive/2015/03/24/423786.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/produ/comments/commentRss/423786.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/produ/services/trackbacks/423786.html</trackback:ping><description><![CDATA[浠婂ぉ寮鍙慍RM鐨勪竴涓皬鍔熻兘錛岄渶姹傚ぇ姒傛槸榪欐牱鐨勶細<strong>鏈変竴寮犲瓨鍌ㄥ鎴蜂俊鎭殑琛紝榪欎釜琛ㄤ腑鏈変竴涓垪浠h〃鐫璇ョ敤鎴風殑“鎻愰啋鏃墮棿”錛屽畠鎰忎負錛氬鏋滃綋鍓嶆椂闂村ぇ浜庣瓑浜庤繖涓鹼紝閭d箞璇ョ敤鎴峰氨闇瑕佸湪灞曠ず鐨勬椂鍊欒鏍囪涓?#8220;闇瑕佹彁閱?#8221;錛屽茍涓旈渶瑕佸睍紺洪渶瑕佹彁閱掔殑鏉℃暟銆?/strong><br /><hr />鍏跺疄榪欎釜闂涓嶅簲璇ユ槸涓ぇ闂錛屽彧涓嶈繃鏈漢oracle姣旇緝钖勫急錛岄渶瑕佽繘琛岃褰曪紝浠ヤ究鍚庢煡銆?br />緇忚繃璋冩煡錛屾垜鍙戠幇浜嗗涓嬪嚑涓嚱鏁板浜庡疄鐜版湰闇姹傛湁甯姪錛?<br /><p><strong>1錛氱鍙峰垽鏂嚱鏁?sign</strong></p><p><strong>鍑芥暟璇硶錛?/strong><br />sign(n)</p><p><strong>鍑芥暟璇存槑錛?/strong><br />鍙栨暟瀛梟鐨勭鍙?澶т簬0榪斿洖1,灝忎簬0榪斿洖-1,絳変簬0榪斿洖0</p><p><strong>紺轟緥錛?/strong><br />涓銆乻elect sign( 100 ),sign(- 100 ),sign( 0 ) from dual;</p><p>銆銆SIGN(100) SIGN(-100) SIGN(0)<br />銆銆———- ———- ———-<br />銆銆1 -1  0</p><div>浜屻乤=10錛宐=20 <br />銆銆鍒檚ign(a-b)榪斿洖-1<br /><br /><strong>2錛氬兼瘮杈冨嚱鏁?decode<br /></strong><strong>鍑芥暟璇存槑錛?br /></strong>鏍規嵁鏉′歡榪斿洖鐩稿簲鍊?br /><strong>紺轟緥錛?br /></strong><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all">銆銆decode(鏉′歡,鍊?,緲昏瘧鍊?,鍊?,緲昏瘧鍊?,...鍊糿,緲昏瘧鍊糿,緙虹渷鍊?銆銆<br />銆銆璇ュ嚱鏁扮殑鍚箟濡備笅錛氥銆<br />銆銆<span style="color: #0000FF; ">IF</span> 鏉′歡<span style="color: #808080; ">=</span>鍊? <span style="color: #0000FF; ">THEN</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緲昏瘧鍊?)<br />銆銆ELSIF 鏉′歡<span style="color: #808080; ">=</span>鍊? <span style="color: #0000FF; ">THEN</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緲昏瘧鍊?)<br />銆銆......<br />銆銆ELSIF 鏉′歡<span style="color: #808080; ">=</span>鍊糿 <span style="color: #0000FF; ">THEN</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緲昏瘧鍊糿)銆銆<br />銆銆<span style="color: #0000FF; ">ELSE</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緙虹渷鍊?<br />銆銆<span style="color: #0000FF; ">END</span> <span style="color: #0000FF; ">IF</span><br />鎴栵細<br />銆銆<span style="color: #0000FF; ">when</span> <span style="color: #FF00FF; ">case</span> 鏉′歡<span style="color: #808080; ">=</span>鍊? <span style="color: #0000FF; ">THEN</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緲昏瘧鍊?)<br />銆銆ElseCase 鏉′歡<span style="color: #808080; ">=</span>鍊? <span style="color: #0000FF; ">THEN</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緲昏瘧鍊?)<br />銆銆......<br />銆銆ElseCase 鏉′歡<span style="color: #808080; ">=</span>鍊糿 <span style="color: #0000FF; ">THEN</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緲昏瘧鍊糿)銆銆<br />銆銆<span style="color: #0000FF; ">ELSE</span><br />銆銆<span style="color: #0000FF; ">RETURN</span>(緙虹渷鍊?<br />銆銆<span style="color: #0000FF; ">END</span></div>鎰熻榪欎袱涓嚱鏁板氨瓚沖浜嗭紝閭d箞鐜板湪鐞嗘竻妤氬啓sql鐨勬濊礬錛?br />姣旇緝姣忔潯璁板綍鐨?#8220;鎻愰啋鏃墮棿”錛岃繃鏈熸垨鑰呭埌鏈熷氨鎰忓懗鐫闇瑕佽緗彁閱掋?br /><strong>1錛氬厛姣旇緝涓や釜鏃墮棿</strong><br />琛細crm_lwh_custinfo<br />瀛楁錛歳emind_date(Date)<br /><br /><div><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">1</span> <span style="color: #FF00FF; ">sign</span>(to_date(t.remind_date,<span style="color: #FF0000; ">'</span><span style="color: #FF0000; ">yyyy.mm.dd</span><span style="color: #FF0000; ">'</span>)<span style="color: #808080; ">-</span>to_date(sysdate,<span style="color: #FF0000; ">'</span><span style="color: #FF0000; ">yyyy.mm.dd</span><span style="color: #FF0000; ">'</span>))</div></div><br />鏍規嵁sign鍑芥暟鐨勮繑鍥炲艱繘涓姝ヨ緗畇ql瑕佽繑鍥炵殑鍊?br /><strong>2錛氭牴鎹畇ign鍑芥暟鐨勮繑鍥炲鹼紝閫氳繃decode鍑芥暟璁懼畾sql瑕佽繑鍥炵殑鍊?br /></strong>榪囨湡鎴栬呭埌鏈熼兘鐢?鏍囪瘑錛屾湭鍒版湡錛屼篃灝辨槸榛樿鍊肩敤0鏍囪瘑<br /><div><br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080; ">1</span> <span style="color: #0000FF; ">select</span> decode(<span style="color: #FF00FF; ">sign</span>(to_date(t.remind_date,<span style="color: #FF0000; ">'</span><span style="color: #FF0000; ">yyyy.mm.dd</span><span style="color: #FF0000; ">'</span>)<span style="color: #808080; ">-</span>to_date(sysdate,<span style="color: #FF0000; ">'</span><span style="color: #FF0000; ">yyyy.mm.dd</span><span style="color: #FF0000; ">'</span>)),<span style="color: #808080; ">-</span><span style="color: #800000; font-weight: bold; ">1</span>,<span style="color: #800000; font-weight: bold; ">1</span>,<span style="color: #800000; font-weight: bold; ">0</span>,<span style="color: #800000; font-weight: bold; ">1</span>,<span style="color: #800000; font-weight: bold; ">0</span>) <br />    <span style="color: #0000FF; ">as</span> need_remind  <span style="color: #0000FF; ">from</span> crm_lwh_custinfo t </div><br />濡傛灉浣犵湅鍒拌繖閲岃寰楁湁浠涔堟洿濂界殑鍔炴硶錛屾垨鑰呰寰楄繖縐嶅啓娉曟湁浠涔堜笉瓚籌紝嬈㈣繋鐣欒█銆?/div></div><img src ="http://www.tkk7.com/produ/aggbug/423786.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/produ/" target="_blank">閮借緝鐦?/a> 2015-03-24 14:35 <a href="http://www.tkk7.com/produ/archive/2015/03/24/423786.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站,您可能还对以下资源感兴趣:</p> <a href="http://www.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> 主站蜘蛛池模板: <a href="http://yakonet.com" target="_blank">麻豆91免费视频</a>| <a href="http://my533.com" target="_blank">亚洲av永久无码精品天堂久久 </a>| <a href="http://xxyy66.com" target="_blank">亚洲精品成人片在线观看精品字幕</a>| <a href="http://svvnn.com" target="_blank">亚洲一本到无码av中文字幕 </a>| <a href="http://35469642.com" target="_blank">欧洲美女大片免费播放器视频</a>| <a href="http://ax445.com" target="_blank">中文字幕av无码不卡免费</a>| <a href="http://whknd.com" target="_blank">十九岁在线观看免费完整版电影</a>| <a href="http://61255555.com" target="_blank">亚洲综合av永久无码精品一区二区</a>| <a href="http://4p5e.com" target="_blank">性生大片视频免费观看一级</a>| <a href="http://www6yg6yg.com" target="_blank">亚洲精品国产自在久久 </a>| <a href="http://lanchenews.com" target="_blank">亚洲精品偷拍视频免费观看</a>| <a href="http://sdzsks.com" target="_blank">一道本不卡免费视频</a>| <a href="http://54vpn.com" target="_blank">国产麻豆视频免费观看</a>| <a href="http://kmyake.com" target="_blank">亚洲另类春色国产精品</a>| <a href="http://lzlcp.com" target="_blank">午夜宅男在线永久免费观看网</a>| <a href="http://ri9999.com" target="_blank">中文无码亚洲精品字幕</a>| <a href="http://jybelt.com" target="_blank">国产又粗又猛又爽又黄的免费视频 </a>| <a href="http://wbkk88.com" target="_blank">亚欧国产一级在线免费</a>| <a href="http://89kino.com" target="_blank">国产成人精品日本亚洲专区61 </a>| <a href="http://h47h.com" target="_blank">98精品全国免费观看视频</a>| <a href="http://sese3366.com" target="_blank">国产免费小视频在线观看</a>| <a href="http://xxzyyj.com" target="_blank">国产亚洲精品2021自在线</a>| <a href="http://51huanxin.com" target="_blank">亚洲精品高清在线</a>| <a href="http://sdcwpfw.com" target="_blank">在线涩涩免费观看国产精品</a>| <a href="http://djqq520.com" target="_blank">国产裸模视频免费区无码</a>| <a href="http://hylaowu.com" target="_blank">免费国产在线精品一区</a>| <a href="http://166sb.com" target="_blank">亚洲精品自在在线观看</a>| <a href="http://6609929.com" target="_blank">天天影视色香欲综合免费</a>| <a href="http://9522952.com" target="_blank">亚洲色偷偷综合亚洲AV伊人蜜桃</a>| <a href="http://51caox.com" target="_blank">国产无遮挡色视频免费视频</a>| <a href="http://hubmba.com" target="_blank">亚洲高清免费视频</a>| <a href="http://phlinhng.com" target="_blank">亚洲精品一卡2卡3卡三卡四卡</a>| <a href="http://nfrxfarm.com" target="_blank">精品97国产免费人成视频</a>| <a href="http://ywgj50225.com" target="_blank">免费日韩在线视频</a>| <a href="http://56v6.com" target="_blank">大地资源中文在线观看免费版</a>| <a href="http://jomujy.com" target="_blank">亚洲精品自拍视频</a>| <a href="http://001mc.com" target="_blank">免费A级毛片无码久久版</a>| <a href="http://jomashopcn.com" target="_blank">亚洲男人的天堂网站</a>| <a href="http://wwwzs88.com" target="_blank">亚洲无人区午夜福利码高清完整版</a>| <a href="http://chinacry.com" target="_blank">99xxoo视频在线永久免费观看</a>| <a href="http://4husese.com" target="_blank">亚洲一区AV无码少妇电影</a>| <script> (function(){ var bp = document.createElement('script'); 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